Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188924 | Pattern forming method utilizing material with photoresist film underlayer and contrast enhancement overlayer containing photosensitive diazonium salt | Hirokazu Niki, Makoto Nakase, Toshiaki Shinozaki | 1993-02-23 |
| 4491629 | Water soluble photoresist composition with bisazide, diazo, polymer and silane | Norio Koike, Takeo Ito, Shingo Watanabe | 1985-01-01 |
| 4424265 | Method of making picture tube fluorescent screen | Norio Koike | 1984-01-03 |
| 4423128 | Method of making picture tube fluorescent screen | Norio Koike, Takeshi Takahara, Yasuhiro Shirakawa | 1983-12-27 |
| 4371397 | Chemical copper-plating bath | Hideo Honma, Osamu Sasaki, Toshiki Sasabe, Kazuhiro Takeda, Tsutomu Takamura | 1983-02-01 |
| 4305975 | Method of forming printed circuit | Katsuhiro Takahashi, Kazuhiro Takeda | 1981-12-15 |