Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253217 | Casing for gas, and tank valve device | Hiroshi Yamashita, Hiromitsu Kiyose, Yutaka Suzuki, Makoto Ninomiya, Masayoshi Okamoto +3 more | 2025-03-18 |
| 12241562 | Valve device | Masayoshi Okamoto, Makoto Ninomiya, Yutaka Suzuki | 2025-03-04 |