Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810853 | Glow plug for diesel engines | Kenji Maruta, Hiroshi Suwabe, Sachio Ogasawara, Koji Hatanaka | 1989-03-07 |
| 4806734 | Diesel engine glow plug | Koji Hatanaka | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810853 | Glow plug for diesel engines | Kenji Maruta, Hiroshi Suwabe, Sachio Ogasawara, Koji Hatanaka | 1989-03-07 |
| 4806734 | Diesel engine glow plug | Koji Hatanaka | 1989-02-21 |