Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774991 | Gas filling apparatus | Yasuyuki Tsumura, Atsushi Takase, Kiyoshi Kimura | 2020-09-15 |
| 10668593 | Work polishing head | Masayuki Tsukada, Kazutaka Shibuya | 2020-06-02 |
| 10632590 | Work processing apparatus and liquid chemical bag for the same | Masayuki Tsukada, Kazutaka Shibuya, Yoshio Nakamura, Shiro Hara | 2020-04-28 |