Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200025 | Method of forming small through-holes in thin metal plate | Yasuyoshi Miyaji, Masanobu Sato, Akihiro Inagaki, Seiji Tonogai, Koichi Omoto | 1993-04-06 |
| 5112437 | Oxide film removing apparatus and removing method thereof using azeotropic vapor mixture | Nobuatsu Watanabe, Yong-Bo Chong, Toshio Tatsuno, Tomoyoshi Okada, Akira Izumi | 1992-05-12 |
| 5022961 | Method for removing a film on a silicon layer surface | Akira Izumi, Nobuatsu Watanabe, Yong-Bo Chong | 1991-06-11 |
| 4599295 | Photosensitive material with two photosensitive layers for forming separate imaged elements | Syuzi Kondo, Akira Yamano | 1986-07-08 |
| 4568627 | Film for chromatic proofreading | Tokujiro Ishida, Syuzi Kondo | 1986-02-04 |