Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821048 | Hole-opening bit and tap hole opening method using same | Yohei Kitamura, Kohei Horinouchi | 2023-11-21 |
| 11478850 | Continuous producing method of beryllium metal sphere | Katsuyoshi Tatenuma, Yuri Natori, Norihiro Ikemoto, Yoshiaki Akatsu, Kazuo Yonehara | 2022-10-25 |