Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781653 | Sealing device | Takumi YAMADA, Hisato YONAI, Toshiki Watanabe, Satoshi Yamanaka, Yu YAMAGUCHI | 2023-10-10 |
| 11668397 | Sealing structure for cover made of resin | Shiho Shonai, Kokichi Hamamoto, Tomoaki Nishimura | 2023-06-06 |
| 11460110 | Sealing device | Toshiki Watanabe, Kokichi Hamamoto, Tomoaki Nishimura | 2022-10-04 |