Inventor
OHKAWA HIDEKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OHKAWA HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
12 patentsUS4772897ASep 20, 1988
Optical recording medium
TOSHIBA KK40 citations92
US5652037AJul 29, 1997
Information recording medium
TOSHIBA KK37 citations91
US5580632ADec 3, 1996
Information recording medium
TOSHIBA KK20 citations91
US5796708AAug 18, 1998
Optical recording medium and recording system
TOSHIBA KK43 citations90
US5102708AApr 7, 1992
Data recording medium and method of manufacturing the same
TOSHIBA KK19 citations80
US5013635AMay 7, 1991
Information storage medium
TOSHIBA KK12 citations73
US4929485AMay 29, 1990
Information storage medium and method of manufacturing the same
TOSHIBA KK7 citations73
US4696721ASep 29, 1987
Electroforming method and electroforming apparatus
TOSHIBA KK9 citations73
US4666759AMay 19, 1987
Data recording medium
TOSHIBA KK12 citations73
US5061563AOct 29, 1991
Information storage medium comprising a recording film containing tellurium chemically bonded to an organic carbon
TOSHIBA KK3 citations62
US4990387AFeb 5, 1991
Optical memory
TOSHIBA KK4 citations62
US4957824ASep 18, 1990
Information storage medium and method of manufacturing the same
TOSHIBA KK5 citations62