Hitoshi Ishikawa

Person

Hekinan-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ripple detecting device
- Patent number 7,696,708
- Issue date Apr 13, 2010
- Aisin Seiki Kabushiki Kaisha
- Muneaki Kurimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotational pulse generating circuit for motors
- Patent number 6,559,616
- Issue date May 6, 2003
- Aisin Seiki Kabushiki Kaisha
- Koji Aoki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pulse generating circuit for driving DC motor
- Patent number 6,456,028
- Issue date Sep 24, 2002
- Aisin Seiki Kabushiki Kaisha
- Koji Aoki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotational pulse generating circuit for commutator DC motors
- Patent number 6,326,757
- Issue date Dec 4, 2001
- Aisin Seiki Kabushiki Kaisha
- Kohji Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Control device for movable member
- Patent number 6,320,341
- Issue date Nov 20, 2001
- Aisin Seiki Kabushiki Kaisha
- Toshimitsu Oka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Device for determining rotational number of DC motors
- Patent number 6,172,473
- Issue date Jan 9, 2001
- Aisin Seiki Kabushiki Kaisha
- Toshimitsu Oka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Spring assembly and power transmission device using the same
- Patent number 5,897,106
- Issue date Apr 27, 1999
- Togo Seisakusyo Corporation
- Michinori Murase
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Power window regulator apparatus
- Patent number 5,749,173
- Issue date May 12, 1998
- Aisin Seiki Kabushiki Kaisha
- Toshihiko Ishida
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Copy machine for a motor vehicle
- Patent number 4,754,337
- Issue date Jun 28, 1988
- Aisin Seiki Kabushiki Kaisha
- Hiroshi Nohtomi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RIPPLE DETECTING DEVICE
- Publication number 20070273363
- Publication date Nov 29, 2007
- AISINSEIKI KABUSHIKI KAISHA
- Muneaki Kurimoto
- G01 - MEASURING TESTING
Information Patent Application
Pulse generating circuit for driving DC motor
- Publication number 20010048281
- Publication date Dec 6, 2001
- Aisin Seiki Kabushiki Kaisha
- Koji Aoki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Rotational pulse generating circuit for motors
- Publication number 20010026180
- Publication date Oct 4, 2001
- AISIN SEIKI KABUSHIKI KAISHA
- Koji Aoki
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Hitoshi Ishikawa

Person

Patents Grantslast 30 patents

Ripple detecting device

Rotational pulse generating circuit for motors

Pulse generating circuit for driving DC motor

Rotational pulse generating circuit for commutator DC motors

Control device for movable member

Device for determining rotational number of DC motors

Spring assembly and power transmission device using the same

Power window regulator apparatus

Copy machine for a motor vehicle

Patents Applicationslast 30 patents

RIPPLE DETECTING DEVICE

Pulse generating circuit for driving DC motor

Rotational pulse generating circuit for motors