P

Inventor

SHIMIZU ISAO

JP44 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

17 patents
US6400173B1Jun 4, 2002

Test system and manufacturing of semiconductor device

HITACHI LTD152 citations98
US5351071ASep 27, 1994

Thermal printer

HITACHI LTD66 citations96
US4618397AOct 21, 1986

Method of manufacturing semiconductor device having a pressure sensor

HITACHI LTD129 citations96
US6467056B1Oct 15, 2002

Semiconductor integrated circuit and method of checking memory

HITACHI LTD54 citations95
US6233182B1May 15, 2001

Semiconductor integrated circuit and method for testing memory

HITACHI LTD81 citations95
US5210547AMay 11, 1993

Image printing method and system

HITACHI LTD36 citations93
US5001498AMar 19, 1991

Thermal transfer printer

HITACHI LTD27 citations92
US6052255AApr 18, 2000

Magnetic disk unit having anti-impact arrangement

HITACHI LTD25 citations91
US5046820ASep 10, 1991

Objective lens driving apparatus

HITACHI LTD41 citations91
US4672411AJun 9, 1987

Pressure sensor

HITACHI LTD39 citations90
US5671197ASep 23, 1997

Miniature magnetic disk device and voice coil actuator thereof

HITACHI LTD15 citations74
US4639757AJan 27, 1987

Power transistor structure having an emitter ballast resistance

HITACHI LTD18 citations74
US4591780AMay 27, 1986

Constant current source device having a ratio metricity between supply voltage and output current

HITACHI LTD15 citations74
US4588472AMay 13, 1986

Method of fabricating a semiconductor device

HITACHI LTD18 citations74
US4500900AFeb 19, 1985

Emitter ballast resistor configuration

HITACHI LTD16 citations74
US4407462AOct 4, 1983

Web drive apparatus

HITACHI LTD8 citations74
US4885628ADec 5, 1989

Semiconductor integrated circuit device

HITACHI LTD18 citations71

TAIYO YUDEN KK

7 patents

MAZDA MOTOR

4 patents

RENESAS TECH CORP

2 patents

NIPPON TELEGRAPH & TELEPHONE

2 patents

DAINIPPON PHARMACEUTICAL CO

2 patents

DAINIPPON SUMITOMO PHARMA CO

2 patents

MITSUBISHI OIL CO

1 patent

NGK SPARK PLUG CO

1 patent

OBUN INSATSU CO LTD

1 patent

SHIMIZU ISAO

1 patent

NEC CORP

1 patent

JAPAN SCIENCE & TECH AGENCY

1 patent

NIPPON ZEON CO

1 patent

ADVANCED TECHNOLOGY RESEARCH C

1 patent