Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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 |
| 7205037 | Tubulation tubing of display panel Tubulation tubing of a display panel includes a flange at one end and a ring-shape adhesive member placed on a display panel to align a vent hole of the display with an opening of the tubulation tubing and the flange of the tubulation tubing is bonded to the display... | 04/17/2007 |
| 7069747 | Mirror blanks from inflatable balls A method for constructing a mirror blank, including arranging hollow glass balls, on a front face sheet, and in close proximity to each other to permit fusing upon expansion; restricting the expansion of the hollow glass balls with a bounding structure during expans... | 07/04/2006 |
| 6998161 | Tubulation tubing of display panel Tubulation tubing of a display panel includes a flange at one end and a ring-shape adhesive member placed on a display panel to align a vent hole of the display with an opening of the tubulation tubing and the flange of the tubulation tubing is bonded to the display... | 02/14/2006 |
| 6986267 | Method of manufacturing optical element with lens-barrel The invention relates to a method of manufacturing an optical element with a lens barrel, in which an optical raw material is placed on a placement portion projecting toward the center of the lens barrel from the inner peripheral surface thereof, and assuming that a... | 01/17/2006 |
| 6668588 | Method for molding chalcogenide glass lenses A method for molding a chalcogenide glass lens includes providing a mold. A preformed lens of chalcogenide glass is placed within the mold. The lens has a top surface and a bottom surface. An amount of chalcogenide glass is deposited within the mold and o... | 12/30/2003 |
| 6598429 | Method for fabricating gradient-index rods and rod arrays A method for fabricating gradient-index rods and rod arrays. A central rod of optical glass having predetermined properties and predetermined outside dimensions is placed inside a tube of optical glass having predetermined properties and predetermined out... | 07/29/2003 |
| 6510709 | Shaping mold optical fiber guide block processes for the production thereof and optical fiber array Disclosed are a shaping mold for producing an optical fiber guide block which permits highly accurate positioning and fixing of optical fibers, an optical fiber guide block having such excellent properties, processes for the production of these, and an op... | 01/28/2003 |
| 6421190 | Cemented lens group A cemented lens group is formed by cementing three round lens elements. In the cemented lens group, the diameter of the intermediate lens element is made smaller than those of the other two lens elements.... | 07/16/2002 |
| 6393868 | Process for the production of sequences of interface layers The present invention relates to a novel process for the production of sequences of interference layers composed of layers i of prescribed thicknesses d(i) and refractive indices n(i). In this process a stack of at least two layers i of glasses having ref... | 05/28/2002 |
| 6000243 | Vacuum pull down method for an enhanced bonding process A process for effectively bonding arbitrary size or shape substrates. The process incorporates vacuum pull down techniques to ensure uniform surface contact during the bonding process. The essence of the process for bonding substrates, such as glass, plas... | 12/14/1999 |
| 5917105 | Method of manufacturing a grin lens A method is provided of manufacturing an optical element having an optical axis, and including a plurality of definable adjacent zones of optical material, each zone having a definable refractive index different from the refractive index of an adjacent zo... | 06/29/1999 |
| 5677190 | Cell and circuit for monitoring photochemical reactions An improved measurement cell and circuit for measuring the electrical characteristics of a liquid sample during exposure to radiation includes a glass cell formed of a main tube extending generally parallel to an elongated lamp emitting the radiation, and... | 10/14/1997 |
| 5582626 | Method for making refractive optical elements with graded properties Methods of making gradient property refractive elements such as gradient index lens blanks. The spatial distributions of constituents achieved by subjecting various starting assemblages to various diffusion conditions are predicted. Each such predicted sp... | 12/10/1996 |
| 5570237 | Lens unit cemented at circumference of each of lens elements and optical system including the same A circumferentially cemented lens unit includes first and second lenses opposed to each other with a space therebetween on an optical axis thereof. The first lens has a concave surface, part of the second lens is a contact portion disposed radially inward... | 10/29/1996 |
| 5423896 | Method of fabricating a reflecting mirror A method of fabricating a reflecting mirror, wherein mirror segments are fused together thereby composing the reflecting mirror comprising, formulating square sums of displacements at a plurality of sampling points on a mirror surface of the reflecting mi... | 06/13/1995 |
| 5200010 | Method for manufacturing lens array optical system A method is disclosed for manufacturing a lens array optical system including a flat glass plate and lenses each of which has a flat surface and a curved surface. The method includes the steps of removably fixing each lens with a first adhesive agent to a... | 04/06/1993 |
| 4992086 | Multifocal lens method There is disclosed a method of producing a multifocal, ophthalmic lens blank wherein a glass major element is formed that has a raised countersink zone on one surface, the remainder of the glass major element being thinner than the countersink zone, but o... | 02/12/1991 |
| 4917934 | Telescope mirror blank and method of production A telescope mirror blank having a supporting network core composed of sintered ceramic struts, and a method of forming such core from a thermally crystallizable, powdered glass and as a separate component from the faceplate, are disclosed. Optionally, the... | 04/17/1990 |
| 4867371 | Fabrication of optical devices A relatively large scale low cost method of fabricating optical devices with associated coupling lenses comprises the following steps: (a) producing in one surface of a substrate (1) of suitable material(s) a predetermined array of planar diffused lenses (4); ... | 09/19/1989 |
| 4849000 | Method of making fiber optic plates for wide angle and graded acuity intensifier tubes New fiber optic elements and a new microchannel plate for proximity focus image intensifier tubes and a method for making them are provided. Higher resolution is provided at the center of the field of view by the use of graded fiber and channel sizes and... | 07/18/1989 |
| 4842632 | Method of making multifocal lens blanks There is disclosed an improved method of assembling and fusing the segment and major elements of a multifocal lens blank that employs glass spacer members to space the segment from the major element and allow the segment to progressively slump into sealin... | 06/27/1989 |
| 4732599 | Method for manufacture of optical devices A method of fabricating optical sensing devices for detecting displacement of a part thereof comprising the steps of bonding a multiplicity of optical devices to one surface of a relatively large transparent substrate so that the optical devices are accur... | 03/22/1988 |
| 4576623 | Method for making multifocal ophthalmic lens A laminated multifocal prescription ophthalmic lens is provided comprising a plano (zero power) cap element incorporating a convergent near-vision multifocal segment, the cap being cemented to a prescription-ground single vision base element. The back sur... | 03/18/1986 |
| 4414009 | Method of making an image intensifier faceplate A glass faceplate having a central area of required useful diameter surrounded by a narrow ring of opaque glass and an outer glass mounting flange. Light entering the flange or ring is prevented from reaching the central area as stray light or glare in th... | 11/08/1983 |
| 4264156 | Composite glass-plastic lens blanks resistant to shaling fracture A glass-plastic laminated lens blank, and a molding assembly for providing such a blank by direct casting, are described, wherein the incidence of blank shaling fracture is reduced by an edge configuration which transfers the high bond stress present in t... | 04/28/1981 |
| 4175940 | Method for making fiber optics fused arrays with improved blemish quality Blemish quality of fused fiber optics faceplates, tapers, image inverters and other arrays of multifibers is improved by protecting outer fibers of the multifibers from excessive heating and/or contamination during their fabrication. A preform of a multip... | 11/27/1979 |
| 4130160 | Composite ceramic cellular structure and heat recuperative apparatus incorporating same Layered composite cross-flow ceramic recuperators having minimal leakage between layers and consequent high efficiencies are utilized for industrial waste heat recovery in an apparatus in which the ceramic recuperator is surrounded by a metallic housing a... | 12/19/1978 |
| 4073579 | Ophthalmic lens with locally variable index of refraction and method of making same Ophthalmic lenses with locally variable indices of refraction produced from microporous glass bodies diffused with inorganic salts and rendered transparent by heat treatment. Local variations in refractive index result from differences in concentrations o... | 02/14/1978 |
| 4071343 | Method of making intraocular lenses Optical sections (lenses) of pseudophakoi having tangential holes are produced without drilling operations. A preform of lens material is drawn with embedded acid soluble rods and/or openings corresponding in diametral size and relative juxtaposition to t... | 01/31/1978 |
| 4056377 | Method for the production of one-material optical fibers A method for producing one-material optical fibers having at least one light conducting component supported in a protective sleeve or casing characterized by forming a one-piece blank having an open cross section by either pressing, continuous casting, ch... | 11/01/1977 |
| 4008061 | Method of making optical fiber optical power divider An optical power divider is disclosed for single mode optical fibers. The fibers to be coupled are inserted in converging bores in a lower refractive index glass block which is collapsed about the fibers and drawn down. In the drawn down region the fibers... | 02/15/1977 |
| 3989495 | Method of making optical prisms Making an optical prism of an enlarged ground and polished insoluble glass preform encased with soluble glass. The glass combination is heated and drawn to the reduced cross-sectional size desired of the prism with the soluble glass protecting the prism p... | 11/02/1976 |
| 3980461 | Method of manufacturing a preform for use in drawing glass fibers A method of manufacturing a preform from which glass fibers are to be drawn including making a groove in a first cladding glass element, filling the groove with core glass, grinding or otherwise finishing the surface of the cladding element and the core g... | 09/14/1976 |
| 3975176 | Method of sealing tubulation with preformed solder glass The glass tubulation of a gaseous discharge display device or similar device can be advantageously sealed to a glass substrate by using a preformed vitreous or devitrifiable solder glass annular member such as a washer which is placed over the tubulation ... | 08/17/1976 |
| 3975093 | Photochromic multifocal lenses A high index of refraction, low softening point, low expansion segment glass is fused into a countersunk photochromic glass blank of lower index of refraction. The high index of refraction segment is primarily composed of SiO2, B2 O | 08/17/1976 |
| 3975092 | Photochromic multifocal lenses A high index of refraction, low softening point, low expansion segment glass is fused into a countersunk photochromic glass blank of lower index of refraction. The high index of refraction segment is primarily composed of SiO2, B2 O | 08/17/1976 |
| 3966311 | Method of producing photochromic multifocal spectacle lenses A method of producing photochromic multifocal spectacle lenses by fusion of a reading segment with a photochromic major lens portion. The reading segment and the main photochromic portion of the lens are fused together at a temperature which does not adve... | 06/29/1976 |
