Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7534339 | Reactor filled with solid particle and gas-phase catalytic oxidation with the reactor | Yukihiro Matsumoto, Takeshi Nishimura, Sei Nakahara | 2009-05-19 |
| 6649028 | Column treating process and apparatus thereof | Kazuhiko Sakamoto, Sei Nakahara, Masatoshi Ueoka | 2003-11-18 |
| 6495045 | Solid substance removing device | Kei Hamamoto, Yukihiro Matsumoto, Sei Nakahara, Masakatsu Mori | 2002-12-17 |