Inventor
YAMASHITA TSUKASA
JP43 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA TSUKASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OMRON TATEISI ELECTRONICS CO
27 patentsUS5138687AAug 11, 1992
Rib optical waveguide and method of manufacturing the same
OMRON TATEISI ELECTRONICS CO150 citations98
US5345336ASep 6, 1994
Micro aspherical lens and fabricating method therefor and optical device
OMRON TATEISI ELECTRONICS CO47 citations96
US5148322ASep 15, 1992
Micro aspherical lens and fabricating method therefor and optical device
OMRON TATEISI ELECTRONICS CO55 citations96
US5114513AMay 19, 1992
Optical device and manufacturing method thereof
OMRON TATEISI ELECTRONICS CO95 citations96
US5511142AApr 23, 1996
Rib optical waveguide and method of manufacturing the same
OMRON TATEISI ELECTRONICS CO87 citations95
US4737946AApr 12, 1988
Device for processing optical data with improved optical allignment means
OMRON TATEISI ELECTRONICS CO86 citations95
US6276803B1Aug 21, 2001
Optical path converting optical element, optical path converter, and optical projector and image display apparatus using said optical element
OMRON TATEISI ELECTRONICS CO37 citations93
US5359684AOct 25, 1994
Optical lensed coupler for use with a planar waveguide
OMRON TATEISI ELECTRONICS CO25 citations93
US5835472ANov 10, 1998
Optical pickup device with substantially mutually orthogonal reflection surfaces
OMRON TATEISI ELECTRONICS CO22 citations92
US4747090AMay 24, 1988
Integral pickup for an optical digital disc using saw deflection and lenses
OMRON TATEISI ELECTRONICS CO25 citations92
US4712854ADec 15, 1987
Optical waveguide and method of making the same
OMRON TATEISI ELECTRONICS CO47 citations92
US4776027AOct 4, 1988
Geometric figure position and orientation detection method and device
OMRON TATEISI ELECTRONICS CO38 citations91
US5111447AMay 5, 1992
Integral pick up for an optical digital disc using saw deflection and lense
OMRON TATEISI ELECTRONICS CO30 citations89
US4532632AJul 30, 1985
Tunable semiconductor laser
OMRON TATEISI ELECTRONICS CO23 citations82
US4491384AJan 1, 1985
Optical switch device
OMRON TATEISI ELECTRONICS CO20 citations82
US5159586AOct 27, 1992
Device for processing optical data
OMRON TATEISI ELECTRONICS CO20 citations81
US5128915AJul 7, 1992
Optical pickup device
OMRON TATEISI ELECTRONICS CO21 citations81
US4763973AAug 16, 1988
Waveguide-type optical sensor
OMRON TATEISI ELECTRONICS CO20 citations81
US4912519AMar 27, 1990
Laser speckle velocity-measuring apparatus
OMRON TATEISI ELECTRONICS CO19 citations73
US4762383AAug 9, 1988
Two dimensional light beam deflectors utilizing thermooptical effect and method of using same
OMRON TATEISI ELECTRONICS CO18 citations73
US4738502AApr 19, 1988
Optical deflector
OMRON TATEISI ELECTRONICS CO11 citations73
US4604707AAug 5, 1986
Device and method for comparing optical signals
OMRON TATEISI ELECTRONICS CO12 citations73
US4595253AJun 17, 1986
Parallel-to-serial conversion of optical data using acousto-optical diffraction
OMRON TATEISI ELECTRONICS CO13 citations73
US8928438B2Jan 6, 2015
Electromagnetic relay
OMRON TATEISI ELECTRONICS CO5 citations72
US8823474B2Sep 2, 2014
Contact switching mechanism and electromagnetic relay
OMRON TATEISI ELECTRONICS CO4 citations71
US9142373B2Sep 22, 2015
Electromagnetic relay
OMRON TATEISI ELECTRONICS CO2 citations62
US4568911AFeb 4, 1986
Method and device for optical D-A conversion
OMRON TATEISI ELECTRONICS CO4 citations62