Inventor
YOSHIKAWA YUKIO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COPAL CO LTD
10 patentsUS5775791AJul 7, 1998
Surface emission apparatus
COPAL CO LTD200 citations98
US5163063ANov 10, 1992
Semiconductor laser driving circuit
COPAL CO LTD100 citations96
USD388123SDec 23, 1997
Light-emitting diode indicator
COPAL CO LTD21 citations88
US4527877AJul 9, 1985
Device for detecting the time of termination of opening operation of shutter blades of an electromagnetic programming shutter
COPAL CO LTD7 citations73
US4514064AApr 30, 1985
Electromagnetic shutter
COPAL CO LTD12 citations73
US4494846AJan 22, 1985
Electromagnetic shutter
COPAL CO LTD9 citations73
US4462672AJul 31, 1984
Control circuit for an electromagnetically driven programming shutter
COPAL CO LTD10 citations73
US5809676ASep 22, 1998
Sign display apparatus
COPAL CO LTD15 citations69
US5200942AApr 6, 1993
Focus adjusting apparatus for an optical pickup apparatus
COPAL CO LTD5 citations59
US4408856AOct 11, 1983
Device for locking a blade driver in an electronic shutter
COPAL CO LTD5 citations59
ASAHI GLASS CO LTD
7 patentsUS5386306AJan 31, 1995
Active matrix liquid crystal display element and projection type active matrix liquid crystal display device
ASAHI GLASS CO LTD177 citations98
US7364808B2Apr 29, 2008
Substrate with transparent conductive oxide film, process for its production and photoelectric conversion element
ASAHI GLASS CO LTD86 citations96
US5150232ASep 22, 1992
Active matrix liquid crystal display element and projection type active matrix liquid crystal display device
ASAHI GLASS CO LTD178 citations96
US5902406AMay 11, 1999
Low pressure CVD system
ASAHI GLASS CO LTD34 citations90
US6122021ASep 19, 2000
Liquid crystal display element and a projection type liquid crystal display apparatus
ASAHI GLASS CO LTD13 citations73
US6018378AJan 25, 2000
Liquid crystal/polymer composite with high optical anisotropy and low dielectric anisotropy to lower hysteresis exhibiting transparent and light scattering states
ASAHI GLASS CO LTD12 citations73
US7883789B2Feb 8, 2011
Substrate with transparent conductive oxide film, process for its production and photoelectric conversion element
ASAHI GLASS CO LTD6 citations72