P

Inventor

SHIMIZU HIROKAZU

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

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

15 patents
US6750158B2Jun 15, 2004

Method for producing a semiconductor device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
US4546478AOct 8, 1985

Semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations93
US5386429AJan 31, 1995

Low operating current and low noise semiconductor laser device for optical disk memories

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations91
US4675074AJun 23, 1987

Method of manufacturing semiconductor device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations91
US5297158AMar 22, 1994

Semiconductor laser device including a gallium-aluminum arsenic compound

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations87
US4371967AFeb 1, 1983

Semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations82
US4731792AMar 15, 1988

Semiconductor laser device with decreased light intensity noise

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations80
US5031186AJul 9, 1991

Semiconductor laser device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US4603419AJul 29, 1986

Semiconductor laser structure including dual mounts having ridge and groove engagement

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US4488306ADec 11, 1984

Terraced substrate semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US4383319AMay 10, 1983

Semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US4377865AMar 22, 1983

Semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US4366568ADec 28, 1982

Semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations74
US4365336ADec 21, 1982

Terraced substrate semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US4488304ADec 11, 1984

Stem for semiconductor laser devices

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73

UNISIA JECS CORP

13 patents
US6705257B2Mar 16, 2004

Apparatus and method for controlling variable valve in internal combustion engine

UNISIA JECS CORP29 citations93
US6691506B2Feb 17, 2004

Device and method for controlling variable valve timing of internal combustion engine

UNISIA JECS CORP22 citations93
US5740780AApr 21, 1998

Control system for improved cylinder torque balance of engine

UNISIA JECS CORP37 citations93
US5632257AMay 27, 1997

Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine

UNISIA JECS CORP33 citations93
US6484676B2Nov 26, 2002

Apparatus and method for controlling variable valve timing of internal combustion engine

UNISIA JECS CORP20 citations92
US6073606AJun 13, 2000

Apparatus for controlling fuel injection for a direct-injection gasoline engine and a method thereof

UNISIA JECS CORP23 citations92
US5970950AOct 26, 1999

Control method and control apparatus of direct injection gasoline engine

UNISIA JECS CORP22 citations92
US6505128B1Jan 7, 2003

Apparatus and method for judging cylinders of an engine

UNISIA JECS CORP14 citations84
US5703285ADec 30, 1997

Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine

UNISIA JECS CORP18 citations84
US6626030B2Sep 30, 2003

Cylinder discrimination device and cylinder discrimination method of engine

UNISIA JECS CORP7 citations74
US6622678B2Sep 23, 2003

Apparatus and method for controlling variable valve mechanism

UNISIA JECS CORP12 citations74
US5765530AJun 16, 1998

Method of controlling ignition timing of internal combustion engine and apparatus therefore

UNISIA JECS CORP16 citations74
US6863037B2Mar 8, 2005

Control unit for variable valve timing mechanism

UNISIA JECS CORP7 citations73

HITACHI LTD

6 patents

MATSUSHITA ELECTRONICS CORP

3 patents

MITSUBISHI ELECTRIC CORP

3 patents

TOYOTA MOTOR CO LTD

2 patents

NISSAN MOTOR

1 patent

SHIMIZU PRINTING & PACKAGING C

1 patent

TOYO AEROSOL IND CO

1 patent

HITACHI UNISIA AUTOMOTIVE LTD

1 patent

SHIMIZU HIROKAZU

1 patent

TOKYO ELECTRIC POWER CO

1 patent

ORIGIN ELECTRIC

1 patent

RENESAS ELECTRONICS CORP

1 patent

Showing the top 50 of 95 patents by PatentIndex Score.