Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108659 | Sintered body of conductive sialon and heating element made thereof | Sachio Ogasawara, Seiji Okazaki | 1992-04-28 |
| 5106576 | Method of producing a wear-resistant compound roll | Akira Noda | 1992-04-21 |
| 5053284 | Wear-resistant compound roll | Akira Noda | 1991-10-01 |
| 4929813 | Glow plug for diesel engine | Mitusuke Masaka, Koji Hatanaka, Seiji Okazaki | 1990-05-29 |
| 4914274 | Diesel engine glow plug having SiALON heater | Koji Hatanaka, Takashi Aota, Hirohisa Suwabe, Seiji Okazaki | 1990-04-03 |
| 4810853 | Glow plug for diesel engines | Hiroshi Suwabe, Sachio Ogasawara, Mitusuke Masaka, Koji Hatanaka | 1989-03-07 |