Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942150 | Heat-sensitive recording material | Toshimasa Usami, Toshiharu Tanaka | 1990-07-17 |
| RE33113 | Pressure sensitive recording paper | Hiroharu Matsukawa, Masayuki Aoki | 1989-11-14 |
| 4783439 | Heat-sensitive recording material | Toshimasa Usami, Toshiharu Tanaka | 1988-11-08 |
| 4746644 | Recording material | Toshiharu Tanaka, Toshimasa Usami | 1988-05-24 |
| 4722921 | Heat-sensitive recording material | Toshiharu Tanaka, Takayuki Hayashi, Toshimasa Usami | 1988-02-02 |
| 4665411 | Heat-sensitive recording material | Toshimasa Usami, Toshiharu Tanaka | 1987-05-12 |
| 4579815 | Process for producing photographic supports by electron beam exposure | Yasuji Asao | 1986-04-01 |
| 4543269 | Process for producing supports for photographic paper | Yasuzi Asao, Takashi Takayanagi | 1985-09-24 |
| 4476153 | Process for the preparation of photographic resin-coated paper | Yasuzi Asao | 1984-10-09 |
| 4465755 | Pressure fixable electrostatographic toner material comprising encapsulated particles containing curing agent | Takeshi Mikami | 1984-08-14 |
| 4443535 | Photographic resin-coated paper | Yasuzi Asao | 1984-04-17 |
| 4181328 | Recording element | Masato Satomura, Taiichi Nishimura | 1980-01-01 |