Inventor
OKAMURA TOSHIRO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “OKAMURA TOSHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CHEMICAL CO LTD
14 patentsUS5153987AOct 13, 1992
Process for producing printed wiring boards
HITACHI CHEMICAL CO LTD85 citations95
US4902551AFeb 20, 1990
Process for treating copper surface
HITACHI CHEMICAL CO LTD109 citations94
US4216246AAug 5, 1980
Method of improving adhesion between insulating substrates and metal deposits electrolessly plated thereon, and method of making additive printed circuit boards
HITACHI CHEMICAL CO LTD48 citations92
US4643793AFeb 17, 1987
Process for treating metal surface
HITACHI CHEMICAL CO LTD29 citations91
US4859505AAug 22, 1989
Process for metallizing glass surface
HITACHI CHEMICAL CO LTD19 citations82
US5486655AJan 23, 1996
Multiple wire adhesive on a multiple wire wiring board
HITACHI CHEMICAL CO LTD16 citations81
US5403869AApr 4, 1995
Adhesive of epoxy resins, epoxy-modified polybutadiene and photoinitiator
HITACHI CHEMICAL CO LTD17 citations81
US4548644AOct 22, 1985
Electroless copper deposition solution
HITACHI CHEMICAL CO LTD20 citations81
US5323534AJun 28, 1994
Process for producing coaxial conductor interconnection wiring board
HITACHI CHEMICAL CO LTD17 citations80
US5233133AAug 3, 1993
Coaxial conductor interconnection wiring board
HITACHI CHEMICAL CO LTD17 citations80
US5584121ADec 17, 1996
Process for producing multiple wire wiring board
HITACHI CHEMICAL CO LTD12 citations72
US4557762ADec 10, 1985
Electroless copper plating solution
HITACHI CHEMICAL CO LTD12 citations71
US5053280AOct 1, 1991
Adhesive composition for printed wiring boards with acrylonitrile-butadiene rubber having carboxyl groups and 20 ppm or less metal ionic impurities; an alkyl phenol resin; an epoxy resin; palladium catalyst, and coupling agent
HITACHI CHEMICAL CO LTD13 citations67
US4842899AJun 27, 1989
Process for forming metallic film on inorganic material
HITACHI CHEMICAL CO LTD2 citations62
OLYMPUS OPTICAL CO
9 patentsUS5621424AApr 15, 1997
Head mount display apparatus allowing easy switching operation from electronic image to external field image
OLYMPUS OPTICAL CO306 citations98
US5714967AFeb 3, 1998
Head-mounted or face-mounted image display apparatus with an increased exit pupil
OLYMPUS OPTICAL CO105 citations97
US6061103AMay 9, 2000
Image display apparatus
OLYMPUS OPTICAL CO61 citations96
US6188382B1Feb 13, 2001
Image display apparatus with improved image portion
OLYMPUS OPTICAL CO31 citations93
US5654810AAug 5, 1997
Liquid crystal display apparatus with a particular microlens array
OLYMPUS OPTICAL CO21 citations93
US5838432ANov 17, 1998
Optical Angle detection apparatus
OLYMPUS OPTICAL CO44 citations92
US5601352AFeb 11, 1997
Image display device
OLYMPUS OPTICAL CO20 citations92
US5473365ADec 5, 1995
Head-mounted image display apparatus in which a system is capable of changing aspect ratio of observed image
OLYMPUS OPTICAL CO26 citations92
US5646641AJul 8, 1997
Image display apparatus
OLYMPUS OPTICAL CO14 citations74