Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10968587 | Pneumatic fender | Kouko Tsuchiya, Minami Shibuya, Keiichi Hasegawa, Gang Hou, Satoshi Shibayama +2 more | 2021-04-06 |
| 9499243 | Vertical pneumatic fender | Shigeki Sakakibara, Minami Izumi, Shu Yamada | 2016-11-22 |
| 9428875 | Pneumatic fender | Minami Izumi, Shigeki Sakakibara, Michito Kaneko, Shu Yamada, Yoshiaki Hara | 2016-08-30 |