Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8236275 | Process for producing carbon material and alkali activation apparatus | Koichi Kanno | 2012-08-07 |
| 7115238 | Crystalline silicoaluminophosphate salt molecular sieve having octaoxygen-membered ring pore, process for producing the same and process for producing methylamine with the molecular sieve as catalyst | Katsumi Higuchi, Akio Hashimoto, Toshihiro Nomura, Sachiko Arie, Takashi Kojima | 2006-10-03 |
| 6169197 | Process for separation between dialkyl carbonate and alkyl carbamate | Hiroaki Ohgi, Yoshihisa Arai, Masamichi Mizukami | 2001-01-02 |
| 6031122 | Process for producing dialkyl carbonate | Masamichi Mizukami, Yoshihisa Arai, Hidefumi Harada, Hiroaki Ohgi | 2000-02-29 |
| 5980445 | Process for producing diaryl carbonate | Masamichi Mizukami, Yoshihisa Arai, Hidefumi Harada, Hiroaki Ohgi | 1999-11-09 |
| 5714627 | Method for preparing aromatic carbonate | Masamichi Mizukami, Hiroaki Ohgi, Hidefumi Harada | 1998-02-03 |