Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12025043 | Exhaust gas processing device | Kouhei Kuroki, Shunichi Mitsuishi, Toru Hisanaga, Toru Iijima, Yoshihiro Shiga +2 more | 2024-07-02 |
| 11105243 | Exhaust heat recovery apparatus | Shirou Nakajima, Mizuki Hayashida, Tooru Hisanaga, Katsufumi Inoue | 2021-08-31 |