Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899224 | Recording apparatus and method utilizing an array of liquid crystal cells | Shigeo Sugihara, Tadaaki Masumori, Shinichi Shiwa | 1990-02-06 |
| 4896945 | Liquid crystal cell array and method for driving the same | Tadaaki Masumori, Shigeo Sugihara | 1990-01-30 |
| 4511642 | Photo-fixing heat-sensitive recording media with photosensitive diazonium salt, coupler, and organic boron salt | Kensaku Higashi, Haruhiko Yano, Hirotsugu Sato, Ken Sukegawa | 1985-04-16 |
| 4365254 | Two-color recording paper and method and recording apparatus utilizing _the two-color recording paper | Masaru Ozawa, Toshio Shimizu | 1982-12-21 |
| 4328977 | Recording paper capable of recording images in two colors | Masaru Ozawa, Toshio Shimizu | 1982-05-11 |
| 4271416 | Slit type ink recording apparatus | Toshio Shimizu, Susumu Ichinose | 1981-06-02 |