Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806296 | Process of producing liquid hydrocarbon oil or dimethyl ether from lower hydrocarbon gas containing carbon dioxide | Kenichi Kawazuishi, Masato Tauchi, Mitsunori Shimura | 2004-10-19 |
| 6656978 | Process of producing liquid hydrocarbon oil or dimethyl ether from lower hydrocarbon gas containing carbon dioxide | Kenichi Kawazuishi, Masato Tauchi, Mitsunori Shimura | 2003-12-02 |
| 6652819 | Production of high purity vanadium compound from vanadium-containing carbonaceous residues | Ataru Wakabayashi | 2003-11-25 |
| 5767303 | Process of producing carbonic diester | Takeshi Minami, Noriyuki Yoneda, Haruto Kobayashi | 1998-06-16 |
| 5576458 | Process for preparing organic carboxylic acid | Takeshi Minami, Kazuhiko Hamato, Kenji Shimokawa | 1996-11-19 |
| 5364963 | Supported rhodium catalyst, method of preparing same and process of producing acetic acid by methanol carbonylation using same | Takeshi Minami, Kenji Shimokawa, Kazuhiko Hamato, Noriyuki Yoneda | 1994-11-15 |
| 5334755 | Process for the production of acetic acid from methanol and carbon monoxide using supported rhodium catalyst | Noriyuki Yoneda, Kazuhiko Hamato, Sachio Asaoka, Tetsuo Maejima | 1994-08-02 |
| 5316821 | Partition plate for multiple-stage adsorption separator | Seiya Otani, Hiroaki Taniguchi, Kei Yokoyama, Mitsunori Shimura, Osamu Akimoto +1 more | 1994-05-31 |
| 5200075 | Separator | Seiya Otani, Hiroaki Taniguchi, Kei Yokoyama, Mitsunori Shimura, Osamu Akimoto +1 more | 1993-04-06 |
| 5193581 | Selector valve | Nobuhiro Onda, Yoshiharu Kataoka, Hirotoshi Koga, Akihiro FUJIMORI | 1993-03-16 |
| 5055612 | Process for the preparation of naphthalene carboxylic acids | Yakudo Tachibana, Kazuhiko Tate, Masami Ono, Nobuhiro Takei, Jun Miki +3 more | 1991-10-08 |
| 4992622 | Method of separating 2,6-diisopropylnaphthalene from a mixture containing diisopropylnaphthalene isomers | Mitsunori Shimura, Kenji Shimokawa, Yoshio Fukui, Yakudo Tachibana, Kazuhiko Tate +1 more | 1991-02-12 |
| 4950824 | Process for the production of 2,6-diisopropylnaphthalene | Mitsunori Shimura, Kenji Shimokawa, Yoshio Fukui, Sachio Asaoka, Hiroto Tajima +4 more | 1990-08-21 |
| 4530754 | Process for the conversion of heavy hydrocarbon oils into light hydrocarbon oils | Shinichi Nakata, Hideki Hashimoto | 1985-07-23 |
| 4530753 | Method of converting heavy hydrocarbon oils into light hydrocarbon oils | Shinichi Nakata, Hideki Hashimoto | 1985-07-23 |
| 4444655 | Hydrotreatment of heavy hydrocarbon oils containing asphaltenes, and catalysts therefor | Takeo Ono, Sachio Asaoka, Munekazu Nakamura | 1984-04-24 |
| 4439312 | Catalyst for hydrotreating heavy hydrocarbon oils, method of preparing same and process for hydrotreating heavy hydrocarbon oils | Sachio Asaoka, Takeo Ono | 1984-03-27 |
| 4424142 | Catalyst for hydrotreatment of heavy hydrocarbon oils | Sachio Asaoka, Munekazu Nakamura, Takeo Ono | 1984-01-03 |
| 4422960 | Catalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenes | Takeo Ono, Sachio Asaoka, Munekazu Nakamura | 1983-12-27 |
| 4399026 | Process for hydrotreating heavy hydrocarbon oils, catalysts therefor, and a method of preparing such catalysts | Takehito Higashi, Takeo Ono | 1983-08-16 |
| 4367164 | Catalysts for hydrotreating heavy hydrocarbon oils and a method of preparing such catalysts | Takehito Higashi, Takeo Ono | 1983-01-04 |
| 4367165 | Catalyst for hydrotreating heavy hydrocarbon oils and method of preparing same | Sachio Asaoka, Takeo Ono | 1983-01-04 |
| 4326991 | Process for preparing a catalyst for hydrotreatment of heavy hydrocarbon oils | Sachio Asaoka, Munekazu Nakamura | 1982-04-27 |
| 4191636 | Process for hydrotreating heavy hydrocarbon oil | Yoshio Fukui, Mamoru Ando, Yasumasa Homma | 1980-03-04 |