Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4448895 | Process for preparation of catalyst for cleaning exhaust gases and catalyst prepared by the process | Tetsuji Ono, Kazuo Tsuchitani, Shin Yamauchi | 1984-05-15 |
| 4283308 | Auto exhaust gas catalyst, and process for production thereof | Takashi Ohara, Tetsuji Ono, Shin Yamauchi | 1981-08-11 |