Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943645 | Benzoquinone derivatives and production thereof | Shinji Terao, Hisayoshi Okazaki | 1990-07-24 |
| 4897420 | Benzoquinone derivatives, their production and use | Masazumi Watanabe | 1990-01-30 |
| 4874752 | Benzoquinone derivatives and production thereof | Shinji Terao, Hisayoshi Okazaki | 1989-10-17 |
| 4835707 | Automatic analysis method and apparatus for enzyme reaction | Toshio Amano | 1989-05-30 |
| 4831265 | Method of producing quinone derivatives | Masazumi Watanabe | 1989-05-16 |
| 4818441 | Quinine derivatines | Shinji Terao, Mitsuru Kawada, Mitsuru Shiraishi | 1989-04-04 |
| 4808339 | Benzoquinone derivatives | Shinji Terao, Hisayoshi Okazaki | 1989-02-28 |
| 4751303 | Benzoquinone derivatives and production thereof | Shinji Terao, Hisayoshi Okazaki | 1988-06-14 |
| 4576760 | Hydroquinone sulfate derivatives and production thereof | — | 1986-03-18 |
| 4558068 | Spirobenzofuranones and their use in treating peptic ulcers | Hirosada Sugihara, Masazumi Watanabe, Mitsuru Kawada | 1985-12-10 |
| 4526719 | Benzoquinone derivatives and production thereof | Shinji Terao, Hisayoshi Okazaki | 1985-07-02 |
| 4525361 | Aralkyl carboxylic acid compounds in compositions for potentiating immuno activity | Hiroshi Morimoto, Masazumi Watanabe, Mitsuru Kawada | 1985-06-25 |
| 4514420 | Antifibrotic agent | Masazumi Watanabe | 1985-04-30 |
| 4495104 | Quinone carboxylic acids and ester derivatives | Tetsuya Okutani, Masazumi Watanabe | 1985-01-22 |
| 4436753 | Method for therapy of ischemic disease | Akinobu Nagaoka, Minoru Hirata | 1984-03-13 |
| 4407757 | Aralkyl carboxylic acid compounds | Hiroshi Morimoto, Masazumi Watanabe, Mitsuru Kawada | 1983-10-04 |
| 4362740 | Spiro compounds, their production and use | Hirosada Sugihara, Mitsuru Kawada | 1982-12-07 |
| 4342779 | 7-Acetylspirobenzofuranone compound | Hirosada Sugihara, Masazumi Watanabe, Mitsuru Kawada | 1982-08-03 |
| 4330554 | Spirobenzofuranone compounds | Hirosada Sugihara, Masazumi Watanabe, Mitsuru Kawada | 1982-05-18 |
| 4284644 | Spirobenzofuranone compounds | Hirosada Sugihara, Masazumi Watanabe, Mitsuru Kawada | 1981-08-18 |
| 4271083 | 6-Hydroxy-1,4-benzoquinone compounds | Hiroshi Morimoto, Masazumi Watanabe, Mitsuru Kawada | 1981-06-02 |
| 4191778 | Aqueous immunoregulatory agent | Yuichi Yamamura, Ichiro Azuma, Kazuhisa Sugimura, Hiroshi Morimoto, Masazumi Watanabe | 1980-03-04 |