Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955062 | Glass ball safety valve | Yutaka Suzuki, Makoto Ninomiya, Masayoshi Okamoto | 2021-03-23 |
| 10907745 | Pressure regulator valve | Yutaka Suzuki, Hiroshi Yamashita, Kazumasa Sakai | 2021-02-02 |