Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276216 | Cylinder head blank and cylinder head manufacturing method | Moriyuki Nogami, Masatoshi Inoguchi, Hidenobu Matsuyama, Hirohisa Shibayama, Yoshitsugu Noshi +1 more | 2025-04-15 |
| 12024779 | Film forming method | Hirohisa Shibayama, Koukichi Kamada, Yoshito Utsumi, Hidenobu Matsuyama, Eiji Shiotani +2 more | 2024-07-02 |
| 11827985 | Film formation method | Koukichi Kamada, Hirohisa Shibayama, Yoshito Utsumi, Hidenobu Matsuyama, Eiji Shiotani +2 more | 2023-11-28 |
| 11624338 | Sliding mechanism | Hayato Hirayama, Tsuyoshi Higuchi, Hiroaki Hoshikawa | 2023-04-11 |