Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742209 | Glow plug for diesel engine | Mitusuke Masaka, Koji Hatanaka, Kenzi Maruta, Hirohisa Suwabe | 1988-05-03 |
| 4725711 | Self temperature control type glow plug | Koji Hatanaka, Seiichi Kojima | 1988-02-16 |
| 4458637 | Glow plug for use in diesel engine | Tozo Takizawa, Morimasa Furusawa | 1984-07-10 |
| 4425692 | Glow plug for use in diesel engine and method of manufacturing the same | Tozo Takizawa, Morimasa Furusawa | 1984-01-17 |
| 4401065 | Glow plugs for use in diesel engines | Tozo Takizawa, Hideo Kawamura, Nobukazu Sagawa | 1983-08-30 |