Kunihiro Kawauchi

Person

Fujioka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Drive control device for direct current motor, rotation drive syste...
- Patent number 7,119,508
- Issue date Oct 10, 2006
- Renesas Technology Corp.
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotation drive control circuit of multiphases direct current motor...
- Patent number 7,071,640
- Issue date Jul 4, 2006
- Renesas Technology Corporation
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive control system for sensor-less motor
- Patent number 6,900,604
- Issue date May 31, 2005
- Renesas Technology Corp.
- Yasuhiko Kokami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic disk storage apparatus
- Patent number 6,801,382
- Issue date Oct 5, 2004
- Renesas Technology Corp.
- Reiichi Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive control system for sensor-less motor
- Patent number 6,771,033
- Issue date Aug 3, 2004
- Renesas Technology Corp.
- Yasuhiko Kokami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor integrated circuit for brushless motor drive control...
- Patent number 6,563,286
- Issue date May 13, 2003
- Hitachi, Ltd.
- Kunio Seki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor integrated circuit for brushless motor drive control...
- Patent number 6,344,721
- Issue date Feb 5, 2002
- Hitachi, Ltd.
- Kunio Seki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor integrated circuit for brushless motor drive control...
- Patent number 6,340,873
- Issue date Jan 22, 2002
- Hitachi, Ltd.
- Kunio Seki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Magnetic disk storage apparatus
- Publication number 20060227448
- Publication date Oct 12, 2006
- RENESAS TECHNOLOGY CORP.
- Reiichi Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Drive control system for sensor-less motor
- Publication number 20050189892
- Publication date Sep 1, 2005
- RENESAS TECHNOLOGY CORP.
- Yasuhiko Kokami
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Magnetic disk storage apparatus
- Publication number 20050036228
- Publication date Feb 17, 2005
- RENESAS TECHNOLOGY CORP.
- Reiichi Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Drive control device for direct current motor, rotation drive syste...
- Publication number 20040189221
- Publication date Sep 30, 2004
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Application
Rotation drive control circuit of multiphases direct current motor...
- Publication number 20040080293
- Publication date Apr 29, 2004
- RENESAS TECHNOLOGY CORP.
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Drive control system for sensor-less motor
- Publication number 20030107337
- Publication date Jun 12, 2003
- Hitachi, Ltd.
- Yasuhiko Kokami
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Drive control system for sensor-less motor
- Publication number 20030107338
- Publication date Jun 12, 2003
- Hitachi, Ltd.
- Yasuhiko Kokami
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Magnetic disk storage apparatus
- Publication number 20020181137
- Publication date Dec 5, 2002
- Hitachi, Ltd.
- Reiichi Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor integrated circuit for brushless motor drive control...
- Publication number 20020079860
- Publication date Jun 27, 2002
- Hitachi, Ltd.
- Kunio Seki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Semiconductor integrated circuit for brushless motor drive control...
- Publication number 20010050542
- Publication date Dec 13, 2001
- Kunio Seki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Semiconductor integrated circuit for brushless motor drive control...
- Publication number 20010045812
- Publication date Nov 29, 2001
- Hitachi, Ltd.
- Kunio Seki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Kunihiro Kawauchi

Person

Patents Grantslast 30 patents

Drive control device for direct current motor, rotation drive syste...

Rotation drive control circuit of multiphases direct current motor...

Drive control system for sensor-less motor

Magnetic disk storage apparatus

Drive control system for sensor-less motor

Semiconductor integrated circuit for brushless motor drive control...

Semiconductor integrated circuit for brushless motor drive control...

Semiconductor integrated circuit for brushless motor drive control...

Patents Applicationslast 30 patents

Magnetic disk storage apparatus

Drive control system for sensor-less motor

Magnetic disk storage apparatus

Drive control device for direct current motor, rotation drive syste...

Rotation drive control circuit of multiphases direct current motor...

Drive control system for sensor-less motor

Drive control system for sensor-less motor

Magnetic disk storage apparatus

Semiconductor integrated circuit for brushless motor drive control...

Semiconductor integrated circuit for brushless motor drive control...

Semiconductor integrated circuit for brushless motor drive control...