Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970961 | Honeycomb structure, exhaust gas purifying device and exhaust system | Yukio Miyairi, Masaaki Masuda, Kyohei Kato | 2024-04-30 |
| 10557390 | Honeycomb filter | Fumihiko Yoshioka, Yoshiaki Hatakeyama, Noritaka Masumitsu | 2020-02-11 |
| 10315193 | Honeycomb structure | Takashi Aoki, Yoshiaki Hatakeyama | 2019-06-11 |
| 9695724 | Honeycomb catalyst body | Satoshi Sakashita, Risyun Kin | 2017-07-04 |