Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8329110 | Electrically-heated catalyst | Yasuo Kinoshita, Tatsuo Iida, Tadashi Takagaki, Hideji NAITO, Kenji Shimoda | 2012-12-11 |
| 5278125 | Support structure for an exhaust gas purifying catalyst | Kiyomi Iida, Norio Yamagishi, Keizo Tanaka | 1994-01-11 |
| 5272875 | Catalytic converter for an internal combustion engine | — | 1993-12-28 |
| 5079210 | Metallic support for exhaust gas purifying catalyst | Tatumi Suganuma | 1992-01-07 |
| 4475490 | Hydraulic valve lifter | Katsuyasu Oono | 1984-10-09 |