Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910109 | Electrophotographic printing plate containing thiopyrylium salt compound | Hiromichi Tachikawa, Hideo Sato | 1990-03-20 |
| 4800146 | Transparent electrophotographic photoreceptor comprising specific hydrazone and benzidine compounds as photoconductors | Kenji Sano, Hiromichi Tachikawa, Hideo Sato | 1989-01-24 |
| 4734351 | Liquid developer for electrostatic charge image | Katsuji Kitatani, Syu Watarai | 1988-03-29 |
| 4719165 | Process for preparation of charge-regulatory agent and liquid developer for electrostatic image containing said agent | Katsugi Kitatani, Nobuo Suzuki, Masataka Murata | 1988-01-12 |
| 4708922 | Electrophotographic photoreceptor comprises diarylamine photoconductor and styryl dye having tertiary amino moiety substituted with aryl groups | Kenji Sano, Hideo Sato | 1987-11-24 |
| 4681832 | Electrophotographic liquid developer | Hiromichi Tachikawa, Syu Watarai, Katuzi Kitatani | 1987-07-21 |
| 4614699 | Liquid developers for electrostatic images | Katsugi Kitatani, Masataka Murata, Nobuo Suzuki | 1986-09-30 |
| 4473630 | Liquid developer comprising aminoalkyl styrene polymer for electrostatic images | Hiromichi Tachikawa, Nobuo Suzuki, Shu Watarai | 1984-09-25 |