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| Number | Title | Issue Date |
| 7307157 | Process for producing chitin derivatives and/or chitosan derivatives having a crosslinked structure A process for producing a chitin derivative and/or a chitosan derivative that have a crosslinked structure, which comprises irradiating a paste of a mixture consisting of 100 parts by weight of a chitin derivative and/or a chitosan derivative and 3˜1,000 parts by w... | 12/11/2007 |
| 7220799 | Radiation-modified poly (tetrafluoroethylene) resin feeds and a process for producing the same Unsintered poly(tetrafluoroethylene) resin feeds are treated with ionizing radiation in an absorbed dose of no more than 1,000 Gy at room temperature in air so that only the melting temperature of the resin feeds is shifted toward the lower end without changing the ... | 05/22/2007 |
| 7208593 | Self-cross-linked alkyl cellulose A process for producing a self-cross-linking alkyl cellulose derivative, which includes irradiating, with radioactive rays, a mixture of a starting alkyl cellulose derivative (the number of carbon atoms of the alkyl group is 1 through 3, the alkyl group may be subst... | 04/24/2007 |
| 7095029 | Scintillators for neutron detection and neutron detectors using the same A neutron detecting scintillator that has a very short decay time, that can capture neutrons in high efficiency and that is composed of light elements comprises the Li2B4O7 single crystal or the 6Li and 11B or | 08/22/2006 |
| 7072367 | Systems for generating high-power short-pulse laser light A method for generating ultra-short pulse amplified Raman laser light. Short pulse laser light is amplified, and a portion thereof is introduced into a Raman oscillator to produce compressed laser light. The compressed light is introduced to a first Raman amplifier.... | 07/04/2006 |
| 7030379 | Methods for detecting photons, radiations or neutrons using superconductors and methods for obtaining two-dimensional images thereof In the improved neutron image detector, MgB2 enriched in a constituent element 10B of wide energy gap is used as a neutron detection plate, which is provided at the center and the four corners with a phonon sensor comprising an insulation layer... | 04/18/2006 |
| 6998624 | Apparatus and method for detecting radiation that uses a stimulate phosphor Apparatus and method for radiation measurement suitable for use within and outside nuclear reactor or accelerator facilities when there is a need to perform real-time monitoring of radiation intensity over a wide dynamic range at many and broadly distributed sites o... | 02/14/2006 |
| 6973708 | Method for reducing AC loss in superconducting coils A method for reducing ac loss in a superconducting coil of cable-in-conduit type superconductor made from chrome-coated compound superconducting strands, characterized in that when a superconducting coil is produced by the wind-and-react technique, bending or twist ... | 12/13/2005 |
| 6970483 | Method and a device for realizing both high extraction efficiency of laser light from electron beams and femto-second ultra-short in free-electron lasers pulses A method for realizing both high extraction efficiency of laser light from electron beams and femto-second ultra-short pulses in a free-electron laser, wherein the peak current of electron pulses from a superconducting or normal conducting linear accelerator serving... | 11/29/2005 |
| 6927398 | Two-dimensional radiation and neutron image detectors A 6Li doped glass scintillator sheet with grooves cut at given spacings in horizontal and vertical directions. Bundles of wavelength shifting fibers placed in the vertical grooves and fluorescence reflector buried in the horizontal grooves make a group of... | 08/09/2005 |
| 6906283 | Method of processing substances by short-pulse, wavelength tunable raman laser Short-pulse Raman laser is used to perform precision working of a substance without causing thermal effects on it or examine the interior of the skin or process the interior of a transparent material such as glass. By typically choosing a suitable Raman medium to be... | 06/14/2005 |
| 6891615 | Conical diffraction grazing incidence spectrometer and diffraction grating for use in the spectrometer A conical diffraction grazing incidence spectroscope for performing wavelength scanning by rotating a diffraction grating about an axis set parallel to groves in a grazing surface of the grating. ... | 05/10/2005 |
| 6875862 | Self-cross-linked alkyl cellulose and processes for producing the same A process for producing a self-cross-linking alkyl cellulose derivative, which includes irradiating, with radioactive rays, a mixture of a starting alkyl cellulose derivative (the number of carbon atoms of the alkyl group is 1 through 3, the alkyl group may be subst... | 04/05/2005 |
| 6863812 | Collector for adsorptive recovery of dissolved metal from sea water A collector is disclosed that is made of a polyolefin fiber having amidoxime groups and that is capable of efficient adsorptive recovery of useful metals such as uranium, vanadium, cobalt and titanium which are dissolved in small quantities in seawater. In the prese... | 03/08/2005 |
| 6849850 | Methods for detecting photons, radiations or neutrons using superconductors and methods for obtaining two-dimensional images thereof In the improved neutron image detector, MgB2 enriched in a constituent element 10B of wide energy gap is used as a neutron detection plate, which is provided at the center and the four corners with a phonon sensor comprising an insulation layer... | 02/01/2005 |
| 6844973 | Plane diffraction grating based on surface normal rotation and its application to an optical system A plane diffraction grating based on surface normal rotation according to the present invention is designed so that the profile of the grooves at a radial area is determined depending on a rotational position of the area about a rotational center defined as a foot o... | 01/18/2005 |
| 6825479 | Apparatus and method for detecting radiation that uses a stimulate phosphor Apparatus and method for radiation measurement suitable for use within and outside nuclear reactor or accelerator facilities when there is a need to perform real-time monitoring of radiation intensity over a wide dynamic range at many and broadly distributed sites o... | 11/30/2004 |
| 6811771 | Bactericidal organic polymeric material An object of the present invention is to provide a filter material capable of killing microorganisms, bacteria, fungi or viruses in air or liquids. Antimicrobial organic polymer materials of the present invention comprise an organic polymer material having a polymer... | 11/02/2004 |
| 6812469 | Two-dimensional radiation and neutron image detectors A 6Li doped glass scintillator sheet is provided with grooves that are cut at given spacings in both a horizontal and a vertical direction. Bundles of wavelength shifting fibers in the vertical grooves and a fluorescence reflector buried in the horizontal... | 11/02/2004 |
| 6800827 | Method for efficient laser isotope separation and enrichment of silicon A method for laser-assisted separation and enrichment of silicon isotopes such as 28Si, 29Si and 30Si on the basis of infrared multiple-photon dissociation of silicon halides represented by Si2F6, wherein the si... | 10/05/2004 |
| 6780370 | Process for producing microceramic tubes by radiation exposure of silicon-based polymers A process for producing a SiC ceramic microtube by oxidizing the surface of an organosilicon polymer to become infusible by exposure to an ionizing radiation, extracting the uncrosslinked central portion of the fiber with an organic solvent to make a hollow silicon ... | 08/24/2004 |
| 6770476 | Radiation resistant bacterium/E. coli shuttle vector The endogenous plasmid pUE30 from radioresistant bacterium D. radiopugnans strain ATCC19172 or a derivative thereof is used as a vector that can autonomously replicate in bacteria of the genus Deinococcus. It may be used to construct a shuttle vector that als... | 08/03/2004 |
| 6762215 | Radiation-modified poly(tetrafluoroethylene) resin feeds and a process for producing the same Unsintered poly(tetrafluoroethylene) resin feeds are treated with ionizing radiation in an absorbed dose of no more than 1,000 Gy at room temperature in air so that only the melting temperature of the resin feeds is shifted toward the lower end without changing the ... | 07/13/2004 |
| 6751240 | Systems for generating short-pulse laser light A method for generating ultra-short pulse amplified Raman laser light. Short pulse laser light is amplified, and a portion thereof is introduced into a Raman oscillator to produce compressed laser light. The compressed light is introduced to a first Raman amplifier.... | 06/15/2004 |
| 6635215 | Process for producing silicon carbide composites from silicon-based polymers by radiation application Polycarbosilane is mixed with 5-35 wt % of polyvinylsilane to prepare a silicon-base polymer blend which is impregnated in silicon carbide fibers or fabrics to form a preceramic molding body which is exposed to an ionizing radiation to be rendered curing ... | 10/21/2003 |
| 6633594 | Method for changing a wavelength of a laser light The efficiency of wavelength conversion of laser light can be improved by allowing incident laser light to pass through nonlinear optical crystals a multiple of times. In converting the wavelength of laser light to generate second- and higher harmonic wav... | 10/14/2003 |
| 6617448 | Process for producing grosslinked starch derivatives and crosslinked starch derivatives produced by the same A paste of starch derivative is crosslinked by irradiation with γ-rays or electron beams in a dose of 0.1-200 kGy. Two different levels of crosslinking are performed; the first is mild crosslinking by irradiation at a low dose of 0.1-1.0 kGy to such an e... | 09/09/2003 |
| 6610375 | Plasma facing components of nuclear fusion reactors employing tungsten materials In a plasma facing member exposed to a plasma beam of nuclear fusion reactors or the like, such as an electron beam, a tungsten layer is formed by the use of a CVD method and has a thickness of 500 micron meters or more. The tungsten layer may be overlaid... | 08/26/2003 |
| 6586099 | Collector of metals dissolved in sea water A collector is disclosed that is made of a polyolefin fiber having amidoxime groups and that is capable of efficient adsorptive recovery of useful metals such as uranium, vanadium, cobalt and titanium which are dissolved in small quantities in seawater. I... | 07/01/2003 |
| 6530980 | Gas separation apparatus A discharge gas containing PFC gas including CF4 and NF3 generated from a manufacturing process (10) is concentrated at a concentrator (18) and then chromatographically separated at a chromatographic separator (20) with nitrogen as a... | 03/11/2003 |
| 6529268 | Baseline length variable surface geometry measuring apparatus and range finder A surface geometry measuring apparatus which relies upon triangulation to measure the distance to an object from a sensor head comprising projection optics and observation optics, wherein the projection optics has a drive mechanism capable of adjusting th... | 03/04/2003 |
| 6382910 | Turbine expansion machine with variable nozzle mechanism An adiabatic expansion apparatus 22 with a built-in turbine impeller 12 adiabatically expands gas at a cryogenic temperature when the impeller rotates. A control device 24 is connected coaxially with the turbine impeller to control the impeller. A variabl... | 05/07/2002 |
| 6376856 | Apparatus for reading radiation image recorded in an imaging plate and a method for reading it Method for reading a radiation image recorded two-dimensionally in an imaging plate using stimulable phospor as a radiation detecting medium. The image in the imaging plate is read rapidly and continuously as the plate is illuminated with radiation, and t... | 04/23/2002 |
| 6370166 | Method of enabling laser light to propagate through a medium over long distance by means of controlling its wavefront The wavefront of laser light as it propagates through a medium is controlled so that not only the inherent aberrations in the wavefront of the laser light itself but also the aberrations that are progressively caused by passage of laser light through the ... | 04/09/2002 |
| 6333078 | Collector of dissolved metal from sea water having an amidoxime group and a hydrophilic group, a method for production thereof A collector is disclosed that is made of a polyolefin fiber having amidoxime groups and that is capable of efficient adsorptive recovery of useful metals such as uranium, vanadium, cobalt and titanium which are dissolved in small quantities in seawater. I... | 12/25/2001 |
| 6329611 | Apparatus for measuring weight and force with magnetic fluid seal An apparatus for measuring weight of a substance placed within a substrate space which is subjected to sever conditions, including a measuring unit having a transducer and placed within a measuring space, a partition member provided between the measuring ... | 12/11/2001 |
| 6271466 | Grounding cable A method of preventing a high-frequency noise generated in an electronic device, remaining in a grounding cable as a standing wave and transmitted to electric devices, is disclosed, which method including disposing, directly or via an insulating layer, a ... | 08/07/2001 |
| 6261648 | Plasma facing components of nuclear fusion reactors employing tungsten materials In a plasma facing member exposed to a plasma beam of nuclear fusion reactors or the like, such as an electron beam, a tungsten layer is formed by the use of a CVD method and has a thickness of 500 micron meters or more. The tungsten layer may be overlaid... | 07/17/2001 |
| 6235616 | Method of ion implantation into silicon carbide semiconductors Acceptor atoms such as aluminum (Al) and boron (B) are introduced into a silicon carbide (SiC) semiconductor by ion implantation, and carbon (C) atoms additionally are introduced by ion implantation, whereby the electrical activation of the acceptor atoms... | 05/22/2001 |
| 6204301 | Fluoroplastic composites and a process for producing the same Fibers as a reinforcing substrate are impregnated with the particles of polytetrafluoroethylene and pressed into a shape at the melting point of polytetrafluoroethylene. Alternatively, the reinforcing substrate sandwiched between polytetrafluoroethylene s... | 03/20/2001 |
