Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672672 | Polymeric optical mixtures, polymeric optical materials and polymeric optical waveguide | Michiyuki Amano, Toshio Watanabe, Mitsuo Usui, Shoichi Hayashida, Saburo Imamura | 1997-09-30 |
| 4529659 | Magnetic recording member and process for manufacturing the same | Mitsutoshi Hoshino, Akira TERADA | 1985-07-16 |
| 4286049 | Method of forming a negative resist pattern | Saburo Imamura, Hirotsugu Sato | 1981-08-25 |
| 4187205 | Radiation-sensitive composition | Yoshio Hatano, Saburo Nonogaki, Shinkichi Horigome | 1980-02-05 |