Nihon Riken Co., Ltd.

Organization

Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Motive power generating apparatus utilizing energy of permanent magnet
- Patent number 5,917,261
- Issue date Jun 29, 1999
- Nihon Riken Co., Ltd.
- Teruo Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor utilizing magnetic energy of permanent magnet
- Patent number 5,804,898
- Issue date Sep 8, 1998
- Nihon Riken Co., Ltd.
- Teruo Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power generator with improved rotor
- Patent number 5,719,458
- Issue date Feb 17, 1998
- Nihon Riken Co., Ltd.
- Teruo Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motive power generating apparatus utilizing energy of permanent magnet
- Patent number 5,717,316
- Issue date Feb 10, 1998
- Nihon Riken Co., Ltd.
- Teruo Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor having rotor with offset against stator
- Patent number 5,677,583
- Issue date Oct 14, 1997
- Nihon Riken Co., Ltd.
- Teruo Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motive power generating device
- Patent number 5,436,518
- Issue date Jul 25, 1995
- Nihon Riken Co., Ltd.
- Teruo Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Nutating step motor
- Patent number 5,309,041
- Issue date May 3, 1994
- Nihon Riken Kabushiki Kaisha
- Teruo Kawai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Nihon Riken Co., Ltd.

Organization

Patents Grantslast 30 patents

Motive power generating apparatus utilizing energy of permanent magnet

Electric motor utilizing magnetic energy of permanent magnet

Power generator with improved rotor

Motive power generating apparatus utilizing energy of permanent magnet

Electric motor having rotor with offset against stator

Motive power generating device

Nutating step motor