Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326228 | Method for separating rare earth element | Takeshi Ogata, Mikiya Tanaka, Tadatoshi Murota | 2022-05-10 |
| 8609898 | Separation reagent of platinum group metal, method for separating and recovering platinum group metal, and amide-containing tertiary amine compound | Mikiya Tanaka, Kazuko MORISAKU | 2013-12-17 |
| 7918918 | Extractants for palladium and method of rapidly separating and recovering palladium using the same | Mikiya Tanaka, Ken Tamura | 2011-04-05 |
| 7597863 | Extractant for palladium and method for separation and recovery of palladium | Mikiya Tanaka | 2009-10-06 |
| 6103754 | Agent for potentiating nerve growth factor activity containing 1,2-ethanediol derivative or salt thereof | Satoshi Ono, Mutsuko Maekawa, Kazunari Hirata | 2000-08-15 |
| 6034119 | Agent for potentiating nerve growth factor activity containing 1,2-ethanediol derivative or salt thereof | Satoshi Ono, Mutsuko Maekawa, Kazunari Hirata | 2000-03-07 |
| 6025370 | Quinolonecarboxylic acid derivatives or salts thereof | Yozo Todo, Kazuya Hayashi, Masahiro Takahata, Yasuo Watanabe | 2000-02-15 |
| 5968935 | Agent for potentiating nerve growth factor activity containing 1,2-ethanediol derivative or salt thereof | Satoshi Ono, Mutsuko Maekawa, Kazunari Hirata | 1999-10-19 |
| 5935952 | Quinolone- or naphthylidone-carboxylic acid derivates or their salts | Yozo Todo, Kazuya Hayashi, Masahiro Tadahata, Yasuo Watanabe | 1999-08-10 |
| 5932620 | Agent for potentiating nerve growth factor activity containing 1,2-ethanediol derivative or salt thereof | Satoshi Ono, Mutsuko Maekawa, Kazunari Hirata | 1999-08-03 |
| 5922721 | Agent for potentiating nerve growth factor activity containing 1,2-ethanediol derivative or salt thereof | Satoshi Ono, Mutsuko Maekawa, Kazunari Hirata | 1999-07-13 |
| 5872117 | 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same | Satoshi Ono, Tetsuo Yamafuji, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo | 1999-02-16 |
| 5807887 | Agent for potentiating nerve growth factor activity containing 1,2-ethanediol derivative or salt thereof | Satoshi Ono, Mutsuko Maekawa, Kazunari Hirata | 1998-09-15 |
| 5719150 | 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same | Satoshi Ono, Tetsuo Yamafuji, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo | 1998-02-17 |
| 5658904 | 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same | Satoshi Ono, Tetsuo Yamafuji, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo | 1997-08-19 |
| 5612381 | 1,2-ethanediol derivative and salt thereof process for producing the same, and cerebral function-improving agent comprising the same | Satoshi Ono, Tetsuo Yamafuji, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo | 1997-03-18 |
| 5605921 | Triazole derivatives and salts thereof, and antifungal agent containing the same | Hiroyuki Imaizumi, Tetsuya Kajita, Kenichi Takashima, Minako Yotsuji, Keiko Takakura +4 more | 1997-02-25 |
| 5472984 | 1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the same | Satoshi Ono, Tetsuo Yamafuji, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo | 1995-12-05 |
| 5366989 | Triazole derivatives and salts thereof and antifungal agent containing the same | Hiroyuki Imaizumi, Tetsuya Kajita, Kenichi Takashima, Minako Yotsuji, Keiko Takakura +4 more | 1994-11-22 |
| 5280032 | 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same | Satoshi Ono, Tetsuo Yamafuji, Hisaaki Chaki, Mutsuko Maekawa, Yozo Todo | 1994-01-18 |
| 5236950 | Process for hair growth | Hajime Aoyama, Satoshi Ono, Osamu Oohashi, Shuntaro Takano | 1993-08-17 |
| 5144027 | Cephalosporins, process for producing the same, intermediates thereof and process for producing the intermediates | Hiroshi Sadaki, Hiroyuki Imaizumi, Yoshinori Konishi, Takihiro Inaba, Tatsuo Hirakawa +4 more | 1992-09-01 |
| 4990508 | Pyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the same | Yozo Todo, Jun Nitta, Hiroyasu Takagi, Fumihiko Iino, Mikako Miyajima +2 more | 1991-02-05 |
| 4851535 | Nicotinic acid derivatives | Yozo Todo, Tetsuo Yamafuji, Katsuyuki Nagumo, Isao Kitayama, Hideyoshi Nagaki +4 more | 1989-07-25 |
| 4704459 | Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediates | Yozo Todo, Tetsuo Yamafuji, Katsuyuki Nagumo, Isao Kitayama, Hideyoshi Nagaki +4 more | 1987-11-03 |