Issued Patents All Time
Showing 176–180 of 180 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338490 | Speech synthesis method and device | Sigeaki Masuzawa, Shinya Shibata | 1982-07-06 |
| 4308273 | 1,6-Naphthyridine derivatives, and antidinic and cerebral circulation improver containing such derivatives | Hiroshi Yamanaka, Takao Sakamoto, Akira Shiozawa, Yuh-ichiro Ichikawa, Michio Ishikawa | 1981-12-29 |
| 4247527 | Process of producing zeolite | Isao Miyanohara, Shinichi Hashimoto | 1981-01-27 |
| 4237141 | Derivatives of .alpha.-methyl-.beta.-aminopropiophenone and use thereof | Akira Shiozawa, Shuji Kurashige, Hiroaki Hamano, Yasuhiko Furuta, Masako Ikeda +2 more | 1980-12-02 |
| 4201668 | Treatment of sludge comprising biological aggregate | Isao Miyanohara, Hideo Kawamura | 1980-05-06 |