P

Inventor

YANAGISAWA SHUICHI

JP22 patents
⚠️ This page may combine multiple inventors who share the name “YANAGISAWA SHUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIONEER ELECTRONIC CORP

19 patents
US5295126AMar 15, 1994

Information recording apparatus for recordable optical disc

PIONEER ELECTRONIC CORP55 citations95
US5635312AJun 3, 1997

Layer-built chemical cell device

PIONEER ELECTRONIC CORP50 citations92
US5328741AJul 12, 1994

Optical recording medium

PIONEER ELECTRONIC CORP21 citations92
US5326679AJul 5, 1994

Recording medium

PIONEER ELECTRONIC CORP32 citations92
US4937809AJun 26, 1990

Optical information recording apparatus

PIONEER ELECTRONIC CORP27 citations92
US4639745AJan 27, 1987

Optical recording medium

PIONEER ELECTRONIC CORP43 citations92
US5424171AJun 13, 1995

Optical recording medium

PIONEER ELECTRONIC CORP9 citations74
US5391413AFeb 21, 1995

Optical recording medium

PIONEER ELECTRONIC CORP11 citations74
US5336584AAug 9, 1994

Optical recording medium

PIONEER ELECTRONIC CORP8 citations74
US5328802AJul 12, 1994

Optical recording medium

PIONEER ELECTRONIC CORP12 citations74
US5238723AAug 24, 1993

Optical recording medium

PIONEER ELECTRONIC CORP8 citations74
US5204220AApr 20, 1993

Optical recording medium

PIONEER ELECTRONIC CORP14 citations74
US5151310ASep 29, 1992

Information recording medium

PIONEER ELECTRONIC CORP14 citations72
US5478623ADec 26, 1995

Optical recording medium and method of manufacturing the same

PIONEER ELECTRONIC CORP2 citations63
US5204153AApr 20, 1993

Write once read many type optical disc

PIONEER ELECTRONIC CORP6 citations62
US5155009AOct 13, 1992

Optical recording medium

PIONEER ELECTRONIC CORP6 citations58
US5155008AOct 13, 1992

Optical recording medium

PIONEER ELECTRONIC CORP5 citations58
US5386411AJan 31, 1995

Recordable optical disk and method of manufacturing the same

PIONEER ELECTRONIC CORP1 citations52
US5414691AMay 9, 1995

Optical disk, method of manufacturing the same and method of recording the same

PIONEER ELECTRONIC CORP0 citations51

AJINOMOTO KK

2 patents

PIONEER ELECTRONIC COPORATION

1 patent