Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11377990 | Exhaust pipe | Shinnosuke Toichi, Takeshi Osanai, Yoshiaki Kataoka, Katsuhiko Kainuma | 2022-07-05 |
| 11261768 | Muffler | Shinnosuke Toichi, Katsuhiko Kainuma | 2022-03-01 |
| 10961895 | Muffler | Tsuneyuki Higashino, Katsuhiko Kainuma, Takehiro Miura, Shinnosuke Toichi | 2021-03-30 |