U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.

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Ben, Loha


Primary examiner statistics: 2187 patents; average approval time: 2185 days
Assistant examiner statistics: 454 patents; average approval time: 724 days

Patents as Assistant Examiner


1                      
NumberTitleIssue Date
5311222Prism assembly
A miniature prism assembly which in its preferred embodiment utilizes a one inch prism, a stationary target, a yoke, and a housing bracket, all in an integrated unit which can be strung with a plumb line without removing the reflective prism housing from ...
05/10/1994
5223986Radiation projecting device
A device is provided for expanding, reshaping, modifying the intensity distribution and projecting a beam of radiation such as light. The present invention comprises a four sided, internally mirrored tube of polygonal (i.e., rectangular) cross-section whe...
06/29/1993
5087111Mat selection device
A hand held or table positioned mat selection device (FIG. 1) in which the viewing eyepiece (28) is used to restrict the field of view to a mat or mats (FIG. 13: 40A, 40B and 40C) and their apertures (41C) in a carrier (36) which may be moved forward or b...
02/11/1992
5069529Portable display equipment
A portable display equipment includes an image display unit, and an external light preventing member of a polygonal cylinder. The external light preventing member is detachably mounted in front of the display portion of the image display unit. The externa...
12/03/1991
5050963Method for securing optical parts to a support member and a ring member for use therein
A method for securing optical parts together with a ring member enclosing it and functioning as a balance weight and/or a lens guard member to a support member with adhesive. The ring member is provided therein with at least one groove formed through the ...
09/24/1991
5048928Computer screen magnifier
A holder for adjustably positioning a flat-sheet magnifier proximate a visual display terminal comprises a mounting for retaining the magnifier and a support for extensibly positioning the mounting in a predetermined, spaced-apart relationship with the te...
09/17/1991
5046820Objective lens driving apparatus
An objective lens driving apparatus has a base provided with focusing permanent magnets and tracking permanent magnets, a supporting shaft mounted on the base, a lens holder for holding an objective lens at an extension thereof, with the lens holder being...
09/10/1991
5044729Objective lens actuator
An objective lens actuator is provided which is equipped with an actuating mechanism for actuating an objective lens mounted on a lens holder of an apparatus adapted to write or read information into or from a recording medium. The actuator moves the lens...
09/03/1991
5042913Electrical signal forming apparatus having image splitting prism
An apparatus for firmly mounting solid-state image sensors to an image splitting prism in which a mounting glass block is bonded to an image splitting prism surface or to a glass plate bonded to a prism. A metal film is formed on the glass block, and a pr...
08/27/1991
5040873Optical device
An optical device is fitted into a casing (2) in a state in which a pair of lenses (6, 8) have the same optic axis (Ra). The casing (2) includes two identically shaped casing halves (1A, 1B), with the pair of lenses (6, 8) being embraced and held by the t...
08/20/1991
5039203Optical window member and method for production thereof
An optical window member comprises a substrate having a multiplicity of through-holes, and a diamond film formed on one surface of the substrate and covering the through-holes. A method for producing the optical window member comprises forming a thin film...
08/13/1991
5039202Optical system driving apparatus
An optical system driving arrangement includes an optical system driving body, a support shaft provided on the body, an optical system holding member movably supported by the support shaft, an optical system held by the optical system holding member for d...
08/13/1991
5037187Zoom lens mount assembly
A zoom lens mount assembly in which a zooming cam frame is moved along the optical axis while rotating therearound and respective movable frames supporting an optical system are driven by such rotation and movement of the cam frame to effect a desired zoo...
08/06/1991
5036042Switchable superconducting mirrors
Switchable superconducting mirrors and reflectors are switched from the reflective to the absorbing, and/or transparent, modes to modulate signals....
07/30/1991
5035493Zooming operation apparatus of zoom lens
A zooming operation apparatus of zoom lens is provided with a first and a second zoom driving mechanism. The first zoom driving mechanism is formed at an engaging section where the rotation of a zooming operation ring which is only rotatably held by a sta...
07/30/1991
5035487Method and apparatus for releasably mounting an optical device
A method and apparatus for releasably mounting an optical device on a support member in a rapid, repeatable and precise manner is provided. The mounting system is especially suitable for releasably mounting an optical device such as a sighting scope on a ...
07/30/1991
5035476Confocal laser scanning transmission microscope
This invention relates to a confocal laser scanning transmission microscope including a deflecting element for deflecting a light beam at a set scanning frequency in a main scanning direction and an auxiliary scanning direction perpendicular to the main s...
07/30/1991
5033821Element selecting device
An element selecting device for locating one of a plurality of elements on a predetermined plane which comprises a horizontally movable supporting member which supports the plurality of elements on the predetermined plane, wherein the movement of the supp...
07/23/1991
5033806Optical scanner
An optical scanner has a light source device for emitting an approximately parallel light beam polarized approximately linearly; a deflector for deflecting the light beam from this light source device toward a scanned face; an image forming optical system...
07/23/1991
5033819Light intercepting device in lens barrel
A lens barrel includes a control unit which has an operation pin which is moved in the circumferential direction by an angular displacement corresponding to an object distance signal generated by an object distance measuring device. A lens frame carries a...
07/23/1991
5031978Recording optical system
A recording optical system includes a semiconductor laser for emitting a light beam and a shutter device for changing the spot size of the light beam. The shutter device has a shutter array in which a plurality of shutter elements are arranged in a line, ...
07/16/1991
5032013Zoom lens
A zoom lens comprises, in succession from the object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, and a fourth lens group having...
07/16/1991
5029991Lens barrel
In a lens barrel having an electromechanical transducer for driving an iris mechanism, a zooming motor for driving a zoom mechanism and focusing motor for driving a focusing mechanism, at least one of the zooming motor and the focusing motor is arranged t...
07/09/1991
5029992Motor-controlled lens system
A stage light projector including an electronically controlled lens system capable of independently positioning two lenses of a triplet lens system to focus light from different selected back focal plane distances to project images having different select...
07/09/1991
5028103Optical scanning apparatus
An optical scanning apparatus in which a plurality of scanning light beams are deflected by a light deflector and the deflected light beams impinge onto a spherical lens having an f-θ characteristic at inclinations with respect to the optical axis of the...
07/02/1991
5026133Large format laser scanner with wavelength insensitive scanning mechanism
A large format laser scanning system is disclosed that incorporates a compact, wobble free and wavelength insensitive scanning mechanism. The scanning mechanism includes a pentaprism and lens mounted on a rotating frame assembly that is located within a s...
06/25/1991
5024510Cartridge holder system
A system for storing and selectively retrieving a recorded program on a cassette cartridge having an information disk for storing identification indicia on a recorded program, an information disk viewer for viewing the information stored on the informatio...
06/18/1991
5024496Polygonal mirror for scanning light beam
A polygonal mirror for use as a light beam deflector or scanner in an image exposure device includes a support on which a polygonal mirror body is mounted such that it is positionally limited thereby at positions near angular corners between mirror facets...
06/18/1991
5022740Instrument gauge light projection device
A light projection device suitable for use on aircraft instruement panels includes a light source contained within a housing. The housing is mounted to the instrument panel adjacent a gauge to be illuminated. The housing has an extension thereon which pro...
06/11/1991
5020880Low distortion window for use with high energy lasers
A window for use with high energy laser (HEL) systems utilizes a combination of window and cooled mirror technologies. The present window is adapted to receive an elongated focus beam at one or more adjacent diamond plates. The plates are positioned in ba...
06/04/1991
5020876Standard remote manipulator system docking target augmentation for automated docking
A docking target is provided for use in automated docking of a first vehicle on which the target is located. The target comprising a pair of laterally extending arm portions lying in substantially the same plane and a central post extending outwardly from...
06/04/1991
5018843Zoom lens apparatus with lens units for zooming and focusing
A zoom lens barrel has a lens unit with both functions of zooming and focusing, comprises a first cyindrical member having a zoom guide groove (or zoom cam) corresponding to a zooming orbit of displacement of the lens unit with both the functions of zoomi...
05/28/1991
5018806Image forming apparatus
An optical scanner comprises a deflector for deflecting a light from a light source; an elongated cylindrical lens for correcting a shift in optical path; a photosensitive drum for performing a scanning operation thereon with respect to the light transmit...
05/28/1991
5018836Optical disc apparatus lens drive apparatus and method for the manufacture of such
An objective lens drive apparatus includes an objective lens holder supporting an objective lens and provided with drive coils, a base fixing permanent magnets, printed circuit boards fixing the base at a monolithic portion thereof, and a plural number of...
05/28/1991
5018830Authenticity mark, document carrying such mark, and process and device for reading and validating such mark
Authenticity mark consisting of pattern of randomly divided granules attached to a delimited surface area of a substrate. The granules consist of retroreflective microspheres with a diameter smaller than 500 micron and that the number of microspheres is s...
05/28/1991
5016993Zoom mechanism for zoom lenses
A zoom mechanism for zoom lenses drives a focusing lens group in a linear manner and lens groups other than the focusing lens group in either a non-linear or a linear manner, during a zooming operation and, after the zooming operation, drives the focusing...
05/21/1991
5016981Mask
In a mask for transmitting a light subjected to a projection on a predetermined position and for detecting the light, transmittances of the mask are distributed in correspondence with a statistical distribution of the predetermined positions of the light....
05/21/1991
5015072Glare reduction shield
A glare reducing shield usable with a touchscreen display includes a shade positioned above the display and a circular polarizer mounted within the shade and above touch-screen display. The circular polarizer is mounted at a height sufficient to permit ac...
05/14/1991
5015073Over the eyepiece pocket filter card
This invention is a new innovative approach to filtered astronomical observation. The card consists of a pocket sized durable card containing the 8 most popular colored acetate filters used by amateur astronomers for planetary and celestial observations. ...
05/14/1991
5013108Optical scanning device and mirror correction system for use in such a device
An optical scanning device comprises a rotatable polygon mirror (40), or another deflection system, which is arranged between an objective system (30) and the surface (61) to be scanned. In order that the image point (21) moves along a straight line acros...
05/07/1991
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