Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874923 | Glow plug for diesel engine with a U-shaped sialon ceramic heater | Koji Hatanaka, Hirohisa Suwabe | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874923 | Glow plug for diesel engine with a U-shaped sialon ceramic heater | Koji Hatanaka, Hirohisa Suwabe | 1989-10-17 |