Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4302833 | Automatic record size detector | Osamu Imamura, Akihiro Asada | 1981-11-24 |
| 4293553 | 1-Phthalazone derivatives, and use thereof | Masayuki Ishikawa, Yukuo Eguchi, Shigeru Ito, Yoshimi Takashima, Masahiko Kobayashi | 1981-10-06 |
| 4279950 | Jointing of concrete structure | Choji Tomizawa | 1981-07-21 |
| 4276295 | 3-Aromatic moiety substituted-4(3H)-quinazolinones, process for production thereof, and use thereof | Masayuki Ishikawa, Yukuo Eguchi, Shigeru Ito, Yoshimi Takashima, Masahiko Kobayashi | 1981-06-30 |
| 4256980 | Electronic switchover circuit | Akihiro Asada, Kaname Ohta | 1981-03-17 |