Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4918042 | Exhaust gas purifying catalyst | Toshihiro Takada, Shinichi Matsumoto, Hikaru Aoyagi, Mikio Yamanaka, Keiichi Ohmura | 1990-04-17 |
| 4870046 | Rolled high aluminum stainless steel foil for use as a substrate for a catalyst carrier | Mikio Yamanaka, Keiichi Ohmura, Shinichi Matsumoto, Shinji Shibata, Akihiko Kasahara | 1989-09-26 |
| 4867811 | Processes for production of metallic catalyst-carrier and catalytic component | Hiroo Wakiyama, Hisashi Baba, Mikio Yamanaka, Keiichi Ohmura, Shinichi Matsumoto +4 more | 1989-09-19 |
| 4752599 | Method for producing a base of a catalyst carrier for automobile exhaust gas-purification | Yasushi Nakamura, Mikio Yamanaka, Keiichi Ohmura, Motohiko Arakawa, Masaki Izumi | 1988-06-21 |
| 4253620 | Winding spring for seat belt winding apparatus | Mitsuo Takei, Noboru Owatari, Kazuo Takagi | 1981-03-03 |