Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8164856 | Magnetic tape apparatus A magnetic tape apparatus includes a feeding unit for feeding a magnetic tape; a take-up unit for taking up the magnetic tape, a magnetic head disposed the downstream of the feeding unit and the upstream of the winding unit, in a traveling path of the magnetic tape ... | 04/24/2012 |
| 8159776 | Magnetic tape driving apparatus comprising a tape separation portion that separates a magnetic tape from a magnetoresistive head unit A magnetic tape driving apparatus of the present invention includes a support member for separating a magnetic tape from a magnetic head on at least one of a tape input side and a tape output side of the magnetic head. The support member separates the magnetic tape ... | 04/17/2012 |
| 8124666 | Energy ray-curable ink composition An object of the present invention is to provide an energy ray-curable ink composition which is excellent in curability and adhesion, and is also excellent in storage stability. The present invention relates to an energy ray-curable ink composition comprising... | 02/28/2012 |
| 8124256 | Magnetic recording medium A magnetic recording medium with excellent high density recording performances and good durability comprising a non-magnetic substrate, a non-magnetic layer containing a non-magnetic powder and a binder formed on the non-magnetic substrate, and a magnetic layer havi... | 02/28/2012 |
| 8081559 | Recording and reproducing apparatus and recording medium The present invention provides a recording and reproducing apparatus that can perform high-precision tracking servo control by removing noise from detected servo signals. The recording and reproducing apparatus performs tracking servo control while reading servo sig... | 12/20/2011 |
| 8068308 | Servo signal recording apparatus, information recording apparatus, and tracking servo method In the apparatus and method of the invention, a servo signal reproduction unit generates a PES from a servo signal reproduced from a magnetic tape, and a frequency conversion unit performs FFT processing of the PES to generate frequency component information. Then, ... | 11/29/2011 |
| 8045288 | Tape drive with cartridge thickness detecting sensors The present invention is directed to provide a tape drive capable of securely pressing and holding a thin-type or a thick-type loaded tape cartridge being different in case thicknesses, so as to be vertically immovable. The tape drive D accommodates within it... | 10/25/2011 |
| 8035929 | Magnetic head assembly and magnetic tape driving apparatus A magnetic head assembly of the present invention includes a head rail having a plurality of head element portions each including a MR element and sliding portions that come into contact with a magnetic tape, and a protective film on a magnetic tape sliding surface ... | 10/11/2011 |
| 8027115 | Data recording apparatus for recording a data signal onto a magnetic recording medium and data recording system using the data recording apparatus A data recording apparatus and a data recording system of the present invention includes buffer memories 2a to 2c that accumulate data in a plurality of channels transferred from an external appliance on a channel basis, a data selector | 09/27/2011 |
| 8003038 | Process for producing resin molded article There is disclosed a process for producing a resin molded article by using a resin into which fine metal particles are so introduced as to be hardly dissolved at the melting temperature of the resin and as to obtain high solubility in a high-pressure carbon dioxide.... | 08/23/2011 |
| 7998637 | Liquid fuel cell with a planer electrolyte layer A liquid fuel cell comprising a plurality of unit fuel cells each having a positive electrode (8) for reducing oxygen, a negative electrode (9) for oxidizing liquid fuel, and an electrolyte layer (10) interposed between the positive electrode ( | 08/16/2011 |
| 7983007 | Magnetic tape apparatus In a magnetic tape apparatus of the present invention, a magnetic head unit having magnetic elements capable of recording or reproducing information with respect to a magnetic tape includes a movable member that includes a magnetic element and has such a size that t... | 07/19/2011 |
| 7981310 | Method for preparing magnetic paint and magnetic recording medium comprising the same A magnetic paint is prepared by a method comprising a surface-treating step for magnetic powder, to obtain a first composition by mixing and stirring a composition which comprises a magnetic powder, a dispersant and/or a binder resin, and an organic solvent, and whi... | 07/19/2011 |
| 7969680 | Magnetic tape on which a servo pattern is formed A magnetic tape of the present invention includes a plurality of data bands in which a data signal can be recorded and servo pattern portions composed of a burst signal. The servo pattern portions are formed at a predetermined interval in a longitudinal direction of... | 06/28/2011 |
| 7967931 | Single-reel type tape cartridge In a single-reel type tape cartridge, a coupling portion of a leader tape includes a pair of winding pieces disposed at opposite sides of a cutout and each winding piece includes a base portion and a turnover portion wound around a pin of a leader member so as to be... | 06/28/2011 |
| 7961423 | Information recording apparatus The information recording apparatus of the present invention includes N servo heads. Servo signals outputted respectively from the servo heads are delayed by a delay circuit such that the peaks of the waveforms of the servo signals coincide with each other. The dela... | 06/14/2011 |
| 7911701 | Micro lens array sheet for use in backlight device and molding roll for manufacturing such micro lens array sheet A micro lens array sheet includes a sheet type base and a plurality of micro lenses arranged on the base. The surface of each micro lens includes a convex part and a peripheral edge part. The convex part has a spherical or elliptical surface. The peripheral edge par... | 03/22/2011 |
| 7891601 | Tape reel The tape reel of the present invention includes: a cylindrical hub for winding recording tape; and a pair of upper and lower flanges respectively projecting circumferentially from upper and lower portions of the hub. The tape reel further comprises: a lower piece in... | 02/22/2011 |
| 7883805 | Hydrogen generating material, hydrogen generator and fuel cell A hydrogen generating material reacts with water to produce hydrogen and includes at least one metal material selected from the group consisting of aluminum, magnesium, and their alloys. The metal material includes particles with a particle size of 60 μm or less in... | 02/08/2011 |
| 7871717 | Optical film and method for producing the same An optical film according to the present invention comprises a transparent base, and an anti-reflection layer that is disposed on one main face of the transparent base. The anti-reflection layer includes a hard coating layer, and a low refractive index layer that is... | 01/18/2011 |
| 7869154 | Magnetic tape driving apparatus A magnetic tape driving apparatus includes a magnetic head (2), a temperature/humidity sensor (4), a Peltier element (11), and a controller (15). The temperature/humidity sensor (4) that detects the temperature and humidity of the ... | 01/11/2011 |
| 7832674 | Tape cartridge A tape cartridge has a tape housing, first and second reel member cooperate with each other to constitute a reel around which a tape is wound, a connecting and biasing member connecting between the first and second, and first and second engaging means. The first eng... | 11/16/2010 |
| 7829226 | Non-aqueous secondary battery A non-aqueous secondary battery contains a positive electrode, a negative electrode, a separator and a non-aqueous electrolytic solution. The positive electrode contains a layered structure lithium-containing compound oxide, or a spinel lithium-containing compound o... | 11/09/2010 |
| 7826165 | Servo signal recording apparatus A servo signal recording apparatus of the present invention is provided with a tape motion measurement unit 5 that measures the lateral motion of a magnetic tape 3, and outputs tape motion information, a signal processing unit 20 that generates ... | 11/02/2010 |
| 7813081 | Magnetic tape cartridge with write protect member movable to irreversibly retaining position A tape cartridge includes a case, a magnetic tape stored in the case, and a write protect structure for blocking information recording onto the magnetic tape, in which the write protect structure includes, for example, a slidable write protect member and a retention... | 10/12/2010 |
| 7808736 | Servo signal recording apparatus, servo signal recording method, and magnetic tape A servo signal recording apparatus and servo-signal recording method for recording a servo signal on a magnetic tape that includes a magnetic layer having a data area capable of storing data and a servo area capable of storing a servo signal, the apparatus including... | 10/05/2010 |
| 7804650 | Lens sheet for use in backlight, backlight and display device using the same A lens sheet according to the invention includes a base film, a lenticular lens resin layer, a prism resin layer, and a filling resin layer. The lenticular lens resin layer includes a plurality of cylindrical lenses formed on one surface of the base film and arrange... | 09/28/2010 |
| 7803471 | Magnetic tape, its cleaning method, and optical servotrack forming/cleaning apparatus A magnetic tape which comprises a nonmagnetic support, a magnetic layer which is formed on one surface of the nonmagnetic support, and a backcoat layer which comprises a binder and nonmagnetic powder containing carbon black as a component and which is formed on the ... | 09/28/2010 |
| 7767336 | Alkaline battery and method for producing the same There is provided an alkaline battery produced by sealing in an outer package body: a positive mixture containing at least one selected from manganese dioxide and a nickel oxide, a conducting agent, and an alkaline electrolytic solution (A) containing potassium hydr... | 08/03/2010 |
| 7763195 | Injection molding method with surface modification A molded article includes thermoplastic resin, and an organic material different from the thermoplastic resin inside said molded article, the organic material being located on and near a surface of said molded article. ... | 07/27/2010 |
| 7754373 | Sealed prismatic battery There is provided a sealed prismatic battery having an opening vent excellent in reliability with use of a deformed state of a battery casing on occasion of abnormal increase in internal pressure of the battery. The battery casing is shaped like an oval quadr... | 07/13/2010 |
| 7736558 | Imprint manufacture method Provided is an imprint method that includes the steps of softening resist in an object to be processed, by using compressed gas or supercritical fluid, the object including a substrate and the resist applied onto the substrate, and transferring a predetermined patte... | 06/15/2010 |
| 7732505 | Energy ray-curable ink composition An active energy ray-curable ink composition comprising a colorant, a monomer and a photopolymerization initiator, in which the monomer contains an acrylamide derivative in an amount of 10 to 90% by weight based on the whole weight of the ink composition, and the in... | 06/08/2010 |
| 7732090 | Sealed rectangular battery A sealed rectangular battery having a reliably operative explosion-proof valve is provided. A rectangular battery case 1 whose cross-section is oblong, the battery case having a prismatic shaped case body 5 with a bottom and a lid 6. An explosio... | 06/08/2010 |
| 7701655 | Servo signal recording method, servo signal recording apparatus, and magnetic recording medium The present invention is a servo signal recording method for recording a servo signal on a magnetic tape having a data band and a servo band, wherein erasure is performed based on a pulse having a duty ratio varied so that a driving time of the AC erasing head with ... | 04/20/2010 |
| 7700204 | Magnetic recording medium containing particles with a core containing a FENphase A magnetic recording medium comprising a nonmagnetic support and a magnetic layer formed on the support and containing a magnetic powder and a binder, wherein said magnetic powder comprises substantially spherical or ellipsoidal particles and at least one element se... | 04/20/2010 |
| 7695709 | Hydrogen generating material and method for producing the same, and method for producing hydrogen A hydrogen generating material of the present invention includes at least one metal material selected from aluminum and aluminum alloy. The metal material has a surface film that includes a metal phase containing aluminum in the metallic state and an inactive phase ... | 04/13/2010 |
| 7682435 | Oil-based pigmented ink composition The present invention relates to an oil-based pigmented ink composition containing at least a pigment, a polymer compound and an organic solvent, which contains, as the organic solvent, methoxybutyl acetate in an amount of 20 to 90% by weight based on the entire ink... | 03/23/2010 |
| 7673830 | Tape cartridge A tape cartridge is provided having an improved fit between a reel hole and a drive shaft of a drive. A reel hole that fits with a drive shaft provided in a drive for rotationally driving a reel is formed in the reel. The drive shaft includes a fitting shaft that fi... | 03/09/2010 |
| 7671510 | Ultrasonic actuator, driving method of the ultrasonic actuator, lens driver, and portable device An ultrasonic actuator according to an embodiment of the present invention includes: a stator generating a rotational driving force in accordance with a driving signal having a train pulse, which is used, for example, an AF mechanism; and a rotor converting the rota... | 03/02/2010 |
