Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987262 | Cycloalkene compounds useful in recording materials | Wakasugi Kazuyuki, Katsumasa Kikkawa, Masahiko Yamaguchi | 1991-01-22 |
| 4624907 | Electrophotographic toner containing metal complex | Isao Niimura, Hiroyoshi Yamaga, Noboru Akuzawa | 1986-11-25 |
| 4563409 | Azo moiety containing metal complexes in toners | Nobuo Suzuki, Takeo Kurahashi, Genpei Sugiyama, Takayuki Sakai | 1986-01-07 |
| 4364999 | Heat sensitive record sheet | Toshio Obara, Kazuo Kaneko, Masahiko Yamaguchi | 1982-12-21 |
| 4284696 | Light transmission particle for forming color image | Eisuke Ishida, Yuji Takashima, Hisanori Nishiguchi, Yoshihide Miyazawa | 1981-08-18 |
| 4262078 | Light transmitting particle for forming color image | Eisuke Ishida, Yuji Takashima, Yoshihide Miyazawa, Michihiro Gonda | 1981-04-14 |