Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223376 | Method for producing fine patterns utilizing specific polymeric diazonium salt, or diazonium salt/sulfone group containing polymer, as photobleachable agent | Masazumi Hasegawa, Masaaki Todoko | 1993-06-29 |
| 5139922 | Method of making resist pattern | Hisashi Watanabe, Yoshihiro Todokoro, Masazumi Hasegawa | 1992-08-18 |
| 4690887 | Method for forming micro-patterns by development | Makoto Fukutomi, Osamu Kogure, Kazunori Miyoshi | 1987-09-01 |
| 4522725 | Process for separating plasma albumin | Kenji Koyama, Syotaro Ohno | 1985-06-11 |
| 4515886 | Photosensitive compositions | Tsuguo Yamaoka | 1985-05-07 |
| 4420257 | Laser light scattering photometer | Nobuyuki Baba, Kenji Arichika | 1983-12-13 |
| 4347138 | Method of separating serum albumin and gamma-globulin from each other | Shotaro Ohno, Kenji Koyama | 1982-08-31 |
| 4333870 | Process for separating .gamma.-globulin aggregate by polysulfone membrane | Kenji Koyama, Syotaro Ohno | 1982-06-08 |
| 4252925 | Anionic polymerization process | Kazuo Tago, Akihiko Shimizu | 1981-02-24 |