Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5986674 | Three-dimensional game apparatus and information storage medium | — | 1999-11-16 |
| 4498091 | Heat-sensitive recording sheet | Toshimi Satake, Toshiaki Minami, Fumio Fujimura | 1985-02-05 |
| 4480260 | Color-developing sheet for pressure-sensitive recording sheets | Akira Hasegawa, Hiroaki Umeda, Mamoru Suzuki | 1984-10-30 |
| 4473832 | Pressure-sensitive recording sheets | Akira Hasegawa, Hiroaki Umeda, Mamoru Suzuki | 1984-09-25 |
| 4416471 | Color-developing sheet for pressure-sensitive recording sheet | Akira Hasegawa, Ippei Shimizu | 1983-11-22 |
| 4399188 | Heat-sensitive recording sheet | Tosimi Satake | 1983-08-16 |
| 4333990 | Heat-sensitive recording paper | Tosimi Satake | 1982-06-08 |
| 4262938 | Color-developing sheet for pressure-sensitive recording sheets | Akihiro Yamaguchi, Tadashi Kobayashi, Kenzaburo Yamuguchi, Hisamichi Murakami, Akira Hasegawa | 1981-04-21 |
| 4260179 | Color-developing sheet for pressure-sensitive recording sheets | Akihiro Yamaguchi, Tadashi Kobayashi, Keizaburo Yamaguchi, Kisuke Osawa, Hisamichi Murakami +1 more | 1981-04-07 |
| 4218504 | Heat-sensitive recording paper | Tosimi Satake | 1980-08-19 |