Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5771043 | Method and apparatus for displaying operating procedure | Seiitsu Nigawara, Takehiko Ikematsu | 1998-06-23 |
| 5493729 | Knowledge data base processing system and expert system | Seiitsu Nigawara, Shigeaki Namba | 1996-02-20 |
| 5436511 | Apparatus for interrupting supply of power from power system to portion of consumer load in response to control signal from power system | Seiitsu Nigawara, Shigeaki Namba | 1995-07-25 |
| 5410883 | Control system for plant | Seiitsu Nigawara, Shigeaki Namba | 1995-05-02 |
| 5267536 | Four-stroke engine having an improved valve mechanism | Youichi Imagawa, Jens K. Olsen | 1993-12-07 |
| 5213074 | Lubricating device of four-stroke cycle engine unit for portable working machine | Youichi Imagawa | 1993-05-25 |
| 5176116 | Lubricating device of four-stroke cycle engine unit for portable working machine | Youichi Imagawa | 1993-01-05 |