Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345310 | Sealing device | Tatsuya Mori, Yu YAMAGUCHI, Toshiaki Yamauchi | 2025-07-01 |
| 12044314 | Sealing device | Nobuhiro Nishimura, Naoki Meguro | 2024-07-23 |
| 11773982 | Sealing device | Hiroshi Onodera, Nobuhiro Nishimura | 2023-10-03 |
| 11274578 | Sealing device and manufacturing method therefor | Nobuhiro Nishimura | 2022-03-15 |
| 11255437 | Sealing device | Tatsuya Mori, Naoki Meguro | 2022-02-22 |
| 10962142 | Valve stem seal | Takayuki Oyama, Nobuhiro Nishimura, Hiroshi Onodera | 2021-03-30 |
| 10767519 | Valve stem seal and hermetic sealing structure | — | 2020-09-08 |