Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339340 | Surface-treating agent adapted for intermediate products of a semiconductor device | Hisashi Muraoka, Masafumi Asano, Taizo Ohashi | 1982-07-13 |
| 4259407 | Radiation-sensitive positive resist | Tsukasa Tada, Masanobu Kohda, Hirohisa Kato, Hideo Saeki | 1981-03-31 |
| 4239661 | Surface-treating agent adapted for intermediate products of a semiconductor device | Hisashi Muraoka, Masafumi Asano, Taizo Ohashi | 1980-12-16 |