Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308560 | Hermetic terminal and tank valve device including same | Masayoshi Okamoto, Michihiko Tokuda, Yoshiteru FUJIMOTO | 2025-05-20 |
| 12253217 | Casing for gas, and tank valve device | Hiroshi Yamashita, Hiromitsu Kiyose, Yutaka Suzuki, Masayoshi Okamoto, Ryo MIYOSHI +3 more | 2025-03-18 |
| 12241562 | Valve device | Masayoshi Okamoto, Yutaka Suzuki, Ryo MIYOSHI | 2025-03-04 |