Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11291949 | Carbon dioxide separation recovery system and method | Hidetaka Yamada, Katsunori Yogo, Shohei NISHIBE, Kazuo Tanaka, Katsuhiro YOSHIZAWA +2 more | 2022-04-05 |
| 7231388 | Similar document retrieving method and system | Tadataka Matsubayashi, Katsumi Tada, Yoshifumi Sato, Yasuhiko Inaba | 2007-06-12 |