Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616905 | Desulfurization of exhaust gases using activated carbon catalyst | Kazushige Kawamura, Yoichi Umehara, Dai Takeda, Naonori Sonehara, Hiroaki Nishijima +1 more | 2003-09-09 |
| 6323385 | Wet type method of rendering dioxins innoxious | Mamoru Iwasaki, Ryuichi Kanai, Kazushige Kawamura, Hideki Sugiyama, Sachio Asaoka +2 more | 2001-11-27 |
| 4909923 | Method for hydrogenation of coal tar pitch | Hiroshi Okazaki, Tadashi Komoto, Munekazu Nakamura, Noriyuki Yoneda, Haruhiko Yoshida +1 more | 1990-03-20 |
| 4440631 | Process for hydrocracking heavy hydrocarbon oils and catalyst therefor | Masatoshi Matsuda, Kenji Shimokawa, Toshiji Makabe | 1984-04-03 |
| 4248852 | Process for the production of alumina suitable for use as a catalyst carrier | Motoyoshi Wakabayashi, Takeo Ono, Munekazu Nakamura | 1981-02-03 |