Issued Patents 1997
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700601 | Photomask, manufacture of photomask, formation of pattern, manufacture of semiconductor device, and mask pattern design system | Norio Hasegawa, Tsuneo Terasawa, Katsuya Hayano, Akira Imai, Akemi Moniwa +1 more | 1997-12-23 |
| 5699100 | Direct color thermal printing method | Toshiaki Fujimaki, Kazuo Miyaji | 1997-12-16 |
| 5680168 | Color thermal printing method | Hideyuki Kokubo, Satoshi Ueda | 1997-10-21 |
| 5661512 | Thermal printer and thermal head control method | Kazuo Miyaji | 1997-08-26 |
| 5656397 | Mask having a phase shifter and method of manufacturing same | Akira Imai, Norio Hasegawa, Toshihiko Tanaka | 1997-08-12 |
| 5625394 | Direct color thermal printing method preventing yellow stains | Kazuo Miyaji | 1997-04-29 |
| 5615199 | Optical head apparatus | Kimio Tatsuno, Takeshi Shimano, Osamu Komoda | 1997-03-25 |
| 5595857 | Method of forming a pattern and projection exposure apparatus | Tsuneo Terasawa | 1997-01-21 |
| D377186 | Camera for taking consecutive exposures | — | 1997-01-07 |