Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023227 | Heat-sensitive recording material | Gensuke Matoba, Hisashi Tani, Hiroo Hayashi | 1991-06-11 |
| 5021785 | Floating point digital to analog converter with bias to establish range midpoint | Takayuki Kohdaka, Toshiyuki Takahashi, Takashi Ogata | 1991-06-04 |
| 4910184 | Heat-sensitive recording materials | Yoshihiro Shimizu, Takashi Kawasaki, Yoshitaka Oeda | 1990-03-20 |
| 4906604 | Multi-color heat sensitive recording material | Tosaku Okamoto, Tomoyuki Okimoto | 1990-03-06 |
| 4770973 | Heat-sensitive diazo recording material with diphenyl alkene coupler | Nobuo Kanda, Tosaku Okamoto, Mitsuru Kondo | 1988-09-13 |
| 4727355 | Digital-to-analog converter | Takayuki Kohdaka, Toshiyuki Takahashi, Takashi Ogata | 1988-02-23 |
| 4659643 | Heat-sensitive recording diazo material with recording sensitizer | Masaharu Nojima, Tosaku Okamoto | 1987-04-21 |
| 4652512 | Heat and light-sensitive recording materials with dialonium compound, coupler, and heat fusible amidine or diamidine compound | Masaharu Nojima, Tosaku Okamoto | 1987-03-24 |
| 4529992 | Multicolor record material | Tomoyuki Okimoto, Tosaku Okamoto | 1985-07-16 |
| 4510512 | Heat-sensitive record material | Tosaku Okamoto, Tomoyuki Okimoto | 1985-04-09 |
| 4376150 | Heat-sensitive record material | Munetaka Morita, Takuji Tuji | 1983-03-08 |