Inventor
KANEKO MASAHIKO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “KANEKO MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
19 patentsUS6246656B1Jun 12, 2001
Reduced thickness of a light transmissive layer for a high density optical disc
SONY CORP199 citations98
US6023451AFeb 8, 2000
Optical recording medium and optical disk apparatus
SONY CORP101 citations97
US5972459AOct 26, 1999
Optical recording medium and optical disk apparatus
SONY CORP63 citations95
US6241843B1Jun 5, 2001
Multilayer optical disk
SONY CORP15 citations92
US5766717AJun 16, 1998
Multilayer optical disk
SONY CORP27 citations92
US5726970AMar 10, 1998
Multi-layer optical recording medium
SONY CORP31 citations92
US4612587ASep 16, 1986
Thermomagnetic recording and reproducing system
SONY CORP48 citations92
US6537637B2Mar 25, 2003
Multilayer optical disk
SONY CORP6 citations74
US6243352B1Jun 5, 2001
Optical disc and optical disc device
SONY CORP14 citations74
US5989670ANov 23, 1999
Multilayer optical disk
SONY CORP4 citations74
US5379275AJan 3, 1995
Thermomagnetic recording method using a recording light power modulated according to the signal to be modulated
SONY CORP13 citations73
US5283770AFeb 1, 1994
Method of recording information on and reproducing information from magneto-optical recording medium
SONY CORP13 citations73
US5761187AJun 2, 1998
Multi-layer optical disk
SONY CORP3 citations63
US4581717AApr 8, 1986
Thermomagnetic recording method
SONY CORP4 citations63
US5230930AJul 27, 1993
Method of fabricating a high-density magnetooptic recording medium
SONY CORP2 citations62
US4898440AFeb 6, 1990
Optical waveguide device
SONY CORP6 citations62
US4642795AFeb 10, 1987
Thermomagnetic recording system
SONY CORP3 citations62
US6132862AOct 17, 2000
Magneto-optical recording medium
SONY CORP2 citations61
USRE40136EMar 4, 2008
Multilayer optical disk
SONY CORP0 citations42
CITIZEN WATCH CO LTD
7 patentsUS5075841ADec 24, 1991
Printer control with automatic intialization of stored control data
CITIZEN WATCH CO LTD22 citations92
US4720813AJan 19, 1988
Printer information inquiry communication system and printer
CITIZEN WATCH CO LTD41 citations92
US4926347AMay 15, 1990
Printer with emulation card installation reporting feature
CITIZEN WATCH CO LTD32 citations91
US4774882AOct 4, 1988
Method for controlling printing impact power in impact type dot printer
CITIZEN WATCH CO LTD9 citations74
US4821221AApr 11, 1989
Computer terminal device for producing different types of buzzer sounds
CITIZEN WATCH CO LTD5 citations63
US4650348AMar 17, 1987
Method of dot-printing underlines
CITIZEN WATCH CO LTD4 citations62
US4640635AFeb 3, 1987
Method for inhibiting printing during ribbon reversal
CITIZEN WATCH CO LTD2 citations60