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 patentsUS6750158B2Jun 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 patentsUS6705257B2Mar 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 patentsUS6999864B2Feb 14, 2006
Apparatus and method for estimating residual gas amount of internal combustion engine, and apparatus and method for controlling intake air amount of internal combustion engine using estimated residual gas amount
HITACHI LTD28 citations92
US7017551B2Mar 28, 2006
Intake control apparatus for internal combustion engine and method thereof
HITACHI LTD11 citations84
US6932034B2Aug 23, 2005
Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanism and method thereof
HITACHI LTD17 citations84
US6920851B2Jul 26, 2005
Variable valve control apparatus for internal combustion engine and method thereof
HITACHI LTD16 citations84
US6874359B2Apr 5, 2005
Control apparatus and control method of engine
HITACHI LTD9 citations74
US6874472B2Apr 5, 2005
Ignition timing control apparatus for internal combustion engine and method thereof
HITACHI LTD7 citations74
MATSUSHITA ELECTRONICS CORP
3 patentsUS5479426ADec 26, 1995
Semiconductor laser device with integrated reflector on a (511) tilted lattice plane silicon substrate
MATSUSHITA ELECTRONICS CORP55 citations96
US5475670ADec 12, 1995
Deflection plate for optical pick-up device
MATSUSHITA ELECTRONICS CORP55 citations96
US5793785AAug 11, 1998
Semiconductor laser device
MATSUSHITA ELECTRONICS CORP31 citations93
MITSUBISHI ELECTRIC CORP
3 patentsUS10429850B2Oct 1, 2019
Automatic parking apparatus, parking guidance apparatus, automatic parking method, and parking guidance method
MITSUBISHI ELECTRIC CORP5 citations73
US9604573B2Mar 28, 2017
Transmissive information display apparatus for obstacle detection outside a vehicle
MITSUBISHI ELECTRIC CORP5 citations73
US6970715B2Nov 29, 2005
Portable wireless transceiver controlling transmission power
MITSUBISHI ELECTRIC CORP8 citations73
TOYOTA MOTOR CO LTD
2 patentsNISSAN MOTOR
1 patentSHIMIZU PRINTING & PACKAGING C
1 patentTOYO AEROSOL IND CO
1 patentHITACHI UNISIA AUTOMOTIVE LTD
1 patentSHIMIZU HIROKAZU
1 patentTOKYO ELECTRIC POWER CO
1 patentORIGIN ELECTRIC
1 patentRENESAS ELECTRONICS CORP
1 patentShowing the top 50 of 95 patents by PatentIndex Score.