Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12303873 | Exhaust gas purification catalyst | Tatsuya Ohashi, Yu Onohara, Keiichi Narita | 2025-05-20 |
| 12303877 | Exhaust gas purification catalyst | Ryota Onoe, Takahiro Noguchi, Tatsuya Ohashi | 2025-05-20 |
| 12036510 | Exhaust gas purification device | Akemi Sato, Takeshi Hirabayashi, Koji Sugiura, Keisuke Murawaki, Takaya Ota +2 more | 2024-07-16 |
| 11918986 | Exhaust gas purification device | Koji Sugiura, Takeshi Hirabayashi, Akemi Satou, Keisuke Murawaki, Takaya Ota +2 more | 2024-03-05 |
| 11883797 | Exhaust gas purification catalyst device | Tatsuya Ohashi | 2024-01-30 |
| 11679379 | Exhaust gas purification device | Koji Sugiura, Takeshi Hirabayashi, Akemi Satou, Keisuke Murawaki, Takaya Ota +2 more | 2023-06-20 |
| 11524284 | Exhaust gas purification device using metal substrate and production method therefor | Yuji Matsuhisa, Nobuaki Bando, Hiroshi Ono, Tomohito Mizukami, Tsuyoshi Ito | 2022-12-13 |