Inventor
HASEGAWA SHIGERU
JP144 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEAC CORP
38 patentsUSD291196SAug 4, 1987
Combined tape recorder and audio mixer
TEAC CORP49 citations96
USD421754SMar 21, 2000
Speaker box
TEAC CORP22 citations93
USD415738SOct 26, 1999
Data recorder
TEAC CORP21 citations93
USD408408SApr 20, 1999
Digital audio disc player
TEAC CORP32 citations93
USD397197SAug 18, 1998
Air cleaner
TEAC CORP23 citations93
USD391258SFeb 24, 1998
Combined tuner and amplifier
TEAC CORP19 citations93
USD367052SFeb 13, 1996
Combined audio mixer and tape recorder
TEAC CORP22 citations93
USD357255SApr 11, 1995
Audio mixer
TEAC CORP22 citations93
USD326454SMay 26, 1992
Combined audio mixer and tape recorder
TEAC CORP27 citations93
USD325383SApr 14, 1992
Audio mixer
TEAC CORP29 citations93
USD325204SApr 7, 1992
Combined audio mixer and tape recorder
TEAC CORP25 citations93
USD321191SOct 29, 1991
Digital audio disc player
TEAC CORP24 citations93
USD314198SJan 29, 1991
Digital audio disc player
TEAC CORP23 citations93
USD357917SMay 2, 1995
Remote controller for a disc recording/reproducing unit
TEAC CORP29 citations92
USD517040SMar 14, 2006
Digital audio disc player with radio
TEAC CORP16 citations84
USD343348SJan 18, 1994
Knob for electric apparatus
TEAC CORP17 citations82
USD340716SOct 26, 1993
Digital audio disc player
TEAC CORP17 citations82
USD338671SAug 24, 1993
Streaming cassette tape drive
TEAC CORP20 citations82
USD325737SApr 28, 1992
Audio mixer
TEAC CORP20 citations82
USD317918SJul 2, 1991
Musical instrument digital interface controller
TEAC CORP20 citations82
USD462671SSep 10, 2002
Video disc recorder
TEAC CORP7 citations74
USD445791SJul 31, 2001
Optical disc drive
TEAC CORP13 citations74
USD429705SAug 22, 2000
Video tape recorder
TEAC CORP7 citations74
USD424053SMay 2, 2000
Recording and reproducing machine for telephone or radio communication equipment
TEAC CORP7 citations74
USD419971SFeb 1, 2000
Data recorder
TEAC CORP9 citations74
USD408407SApr 20, 1999
Digital audio disc player
TEAC CORP6 citations74
USD391259SFeb 24, 1998
Combined tuner and amplifier
TEAC CORP14 citations74
USD386482SNov 18, 1997
Optical disc drive
TEAC CORP7 citations74
USD384356SSep 30, 1997
Combined audio mixer and tape recorder
TEAC CORP13 citations74
USD384045SSep 23, 1997
Optical disc drive
TEAC CORP10 citations74
USD372915SAug 20, 1996
Combined tuner and amplifier
TEAC CORP12 citations74
USD370895SJun 18, 1996
Disk drive unit
TEAC CORP9 citations74
USD362845SOct 3, 1995
Streaming cassette tape drive for measuring apparatus
TEAC CORP14 citations74
USD360883SAug 1, 1995
Data recording and reproducing apparatus
TEAC CORP15 citations74
USD358152SMay 9, 1995
Remote controller for video tape recorder
TEAC CORP9 citations74
USD356311SMar 14, 1995
Combined audio mixer and tape recorder
TEAC CORP6 citations74
USD349705SAug 16, 1994
Audio mixer
TEAC CORP11 citations74
USD349706SAug 16, 1994
Audio mixer
TEAC CORP7 citations74
TOSHIBA KK
7 patentsUS6337498B1Jan 8, 2002
Semiconductor device having directionally balanced gates and manufacturing method
TOSHIBA KK50 citations92
US6392272B1May 21, 2002
Insulating gate type semiconductor device
TOSHIBA KK14 citations84
US7211861B2May 1, 2007
Insulated gate semiconductor device
TOSHIBA KK11 citations83
US6777743B2Aug 17, 2004
Insulating gate type semiconductor device
TOSHIBA KK10 citations74
US6765239B2Jul 20, 2004
Semiconductor device having junction-termination structure of resurf type
TOSHIBA KK9 citations74
US5463231AOct 31, 1995
Method of operating thyristor with insulated gates
TOSHIBA KK13 citations74
US5428228AJun 27, 1995
Method of operating thyristor with insulated gates
TOSHIBA KK11 citations74
DENSO CORP
4 patentsNIPPON KAYAKU KK
1 patentShowing the top 50 of 144 patents by PatentIndex Score.