Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305760 | Sealing device and method for manufacturing sealing device | Hikaru Tadano, Hiroshi Suzuki, Koichi Yoshimura | 2025-05-20 |
| 11971102 | Gasket | Takeshi Watanabe, Isao Tanji | 2024-04-30 |
| 11639754 | Positive/negative pressure gasket | — | 2023-05-02 |
| 11333248 | Positive/negative pressure gasket | — | 2022-05-17 |
| 10927790 | Cylinder head gasket | Yuki NAKAGAWA, Takanori Anzai, Mitsuyasu Nakajima | 2021-02-23 |
| 10612660 | Gasket | Masasuke UCHIYAMA, Takuya AMANO, Yuki NAKAGAWA, Naoki Hagiwara | 2020-04-07 |
| 10197162 | Gasket | — | 2019-02-05 |
| 9850940 | Dust cover for ball joint | Tatsuro HOSEN | 2017-12-26 |