Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420933 | Exhaust system | Tadayoshi Hayashi, Sakuji Arai, Yutaka Hirayama | 1983-12-20 |
| 4362700 | Catalytic converter | Tadayoshi Hayashi, Katsusuke Ueno, Yutaka Noritake | 1982-12-07 |
| 4353873 | Support apparatus for catalyst block | Yutaka Noritake, Yutaka Hirayama | 1982-10-12 |
| 4347219 | Catalytic converter for exhaust-gas cleaning use and method of assembling same | Yutaka Noritake, Sakuji Arai, Toshiaki Muto | 1982-08-31 |
| 4205640 | Intake mixture heating device for internal combustion engine | Minoru Tanaka | 1980-06-03 |