Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10302005 | Control device and program | Masanori Umeno, Yutaka Osawa | 2019-05-28 |
| 5003937 | Valve operating system for internal combustion engine | Yukihiro Matsumoto, Kenji Yoshihara, Tomonori Niizato, Noriyuki Yamada | 1991-04-02 |