Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11331625 | Gas treatment method and gas treatment apparatus | Akira Kishimoto, Katsuya Akiyama, Hiroshi Machida, Tsuyoshi Yamaguchi, Koyo Norinaga | 2022-05-17 |
| 10576412 | Gas treatment method and gas treatment device | Akira Kishimoto, Akira Matsuoka, Katsuya Akiyama, Makoto Nishimura, Hiroshi Machida +2 more | 2020-03-03 |