Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664540 | Pre-combustion chamber-type engine | Keiji Kishishita, Takahiro Tsubonuma, Takatoshi Sugano | 1997-09-09 |
| 5645028 | Piston structure with a combustion chamber | Hideo Kawamura | 1997-07-08 |
| 5643491 | Rare earth magnetic powder, its fabrication method, and resin bonded magnet | Yoshinobu Honkura, Hironari Mitarai, Chisato Mishima, Yoshikazu Amahiro, Yoshinobu Sugiura | 1997-07-01 |
| 5627940 | Method and apparatus for interactive document preparation using a natural language | Aruna Rohra | 1997-05-06 |
| 5624515 | Method of producing short fibers | Susumu Onoe, Kanji Kimoto, Keizou Nonaka | 1997-04-29 |
| 5611831 | Diesel particulate filter apparatus | Hideo Kawamura, Akira Higashino, Toshiaki Sakaguchi | 1997-03-18 |
| 5605648 | Piezoelectric ceramic | Yasuyuki Satou, Hiroyuki Satou, Eturo Yasuda, Yasushi Sawada | 1997-02-25 |