Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874923 | Glow plug for diesel engine with a U-shaped sialon ceramic heater | Kenzi Maruta, Hirohisa Suwabe | 1989-10-17 |
| 4822647 | Coating agent to coating robot, including a method and arrangement for protecting the apparatus from damage due to improper pressures in a supply line | Hiroyoshi Nozaki, Zenichi Aida, Hirofumi Hara, Toshihiko Satake, Hiroshi Mitsuyoshi +1 more | 1989-04-18 |
| 4810853 | Glow plug for diesel engines | Kenji Maruta, Hiroshi Suwabe, Sachio Ogasawara, Mitusuke Masaka | 1989-03-07 |
| 4806734 | Diesel engine glow plug | Mitusuke Masaka | 1989-02-21 |