Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7125983 | L-nucleic acid derivatives and process for the synthesis thereof | Kazuhiko Togashi, Tsuneji Suzuki | 2006-10-24 |
| 6670447 | Amino acid N-carboxyanhydrides with acyl substituents on nitrogen atoms thereof | Hidetoshi Tsunoda, Michiru Sekiguchi, Kazuya Sakai | 2003-12-30 |
| 6555694 | Method for production of pyrrolidinone derivatives | Hiroshi Nagase, Naruyoshi Mita | 2003-04-29 |
| 6207825 | Method for production of pyrrolidinone derivatives | Hiroshi Nagase, Naruyoshi Mita | 2001-03-27 |
| 5969138 | Pyrrolidinone derivatives | Naruyoshi Mita, Hiroshi Nagase, Takahisa Oguchi, Kazuya Sakai, Kazutoshi Horikomi +2 more | 1999-10-19 |
| 5538985 | Pyrrolidinone derivatives | Takahisa Oguchi, Yoji Aoki, Norio Ohto, Kazutoshi Horikomi, Takaichi Miwa +2 more | 1996-07-23 |
| 5338745 | Amide derivatives of dihydrocaffeic acid and their application to pharmaceuticals | Nobuyuki Fukazawa, Osamu Yano, Yukio Miyama | 1994-08-16 |
| 5290793 | Dihydrocaffeic acid derivatives and pharmaceutical preparation containing same | Nobuyuki Fukazawa, Osamu Yano, Yukio Miyama | 1994-03-01 |
| 5116979 | Dihydrocaffeic acid derivatives and pharmaceutical preparations containing same | Nobuyuki Fukazawa, Osamu Yano, Yukio Miyama | 1992-05-26 |
| 5089622 | (-)-2-pyrazoline compounds and therapeutic agent for cerebrovascular disorders containing the same as effective ingredient | Seitaro Kajiya, Kunio Okumura, Junya Fujiwara, Norio Ohto, Hiroshi Kawazura +2 more | 1992-02-18 |
| 5075449 | Method of optically resolving (.+-.)-1-(3-pyridylcarbonyl)-5-methyl-2-pyrazoline | Seitaro Kajiya, Kunio Okumura, Junya Fujiwara, Norio Ohto, Hiroshi Kawazura +2 more | 1991-12-24 |
| 4990529 | Pyrazolone derivatives for treating cerebrovascular diseases | Hiroyuki Yamashita, Makoto Odate, Hiroshi Kawazura, Yoshio Shiga, Hiroshi Namekawa | 1991-02-05 |
| 4965263 | 6-acylaminophenyl-5-alkyl-4,5-dihydro-3(2H)-pyridazinone compounds useful as blood pressure depressants, antithrombotic agents and in the treatment of heart disease | Takashi Nishina, Joji Kamiya, Yasuhito Tanaka, Tsutomu Katakami, Nobuyuki Fukazawa +1 more | 1990-10-23 |
| 4895947 | Process for producing 1-acyl-2-pyrazoline derivative | Hiroyuki Yamashita, Kunio Okumura, Norio Ohto | 1990-01-23 |
| 4839376 | Pyrazoline derivatives for treating cerebrovascular diseases | Hiroyuki Yamashita, Makoto Odate, Hiroshi Kawazura, Yoshio Shiga, Hiroshi Namekawa | 1989-06-13 |
| 4639451 | Pyridazinone derivatives | Tsutomu Katakami, Nobuyuki Fukazawa, Takashi Nishina, Joji Kamiya, Yasuhito Tanaka +1 more | 1987-01-27 |
| 4539151 | Benzothiazepine derivatives and their method of preparation | Tsutomu Katakami, Nobuyuki Fukazawa | 1985-09-03 |
| 4539150 | Benzothiazepine derivatives and their methods of preparation | Tsutomu Katakami, Nobuyuki Fukazawa, Takashi Nishina, Isao Shirakawa | 1985-09-03 |
| 4523011 | Process for preparing 6-(substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds | Tsutomu Katakami, Nobuyuki Fukazawa, Takashi Nishina, Joji Kamiya, Yasuhito Tanaka +1 more | 1985-06-11 |
| 4521415 | 6-(Substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds | Tsutomu Katakami, Nobuyuki Fukazawa, Takashi Nishina, Joji Kamiya, Yasuhito Tanaka +1 more | 1985-06-04 |