Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6026996 | Brick body for rotary nozzle and rotary nozzle using same | Yuji Hayakawa, Masahiro Tsuru, Motoo Amano | 2000-02-22 |
| 4810853 | Glow plug for diesel engines | Kenji Maruta, Sachio Ogasawara, Mitusuke Masaka, Koji Hatanaka | 1989-03-07 |