Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931588 | Compounds usable in a toner for developing electrostatic latent images | Shinichi Narita, Takashi Kiriu, Schunichiro Yamanaka | 1990-06-05 |
| 4826749 | Toner for developing electrostatic latent images | Shinichi Narita, Takashi Kiriu, Schunichiro Yamanaka | 1989-05-02 |
| 4673631 | Toner, charge-imparting material and composition containing metal complex | Hiroshi Fukumoto, Katsuhiko Tanaka | 1987-06-16 |
| 4656113 | Dye composition and use thereof | Tetsuya Ohshima, Hisashi Senshu, Takeshi Matsuyama, Takuo Andoh, Takashi Kiryu | 1987-04-07 |
| 4656112 | Toner for developing electrostatic latent images | Shinichi Narita, Takashi Kiriu, Kenji Uomoto | 1987-04-07 |
| 4568624 | Toner composition having a dye composition | Tetsuya Ohshima, Hisashi Senshu, Takeshi Matsuyama, Takuo Andoh, Takashi Kiryu | 1986-02-04 |
| 4407924 | Toner complexes for developing electrostatic images | Hisashi Senshu, Kazuhiro Ishikawa, Yukihiko Ishida | 1983-10-04 |
| 4404271 | Metal complexes for use in developers for electrostatic images, charge control function | Yukihiko Ishida, Kazuhiro Ishikawa | 1983-09-13 |
| 4403027 | Toner complexes for developing electrostatic images | Kazuhiro Ishikawa, Yukihiko Ishida | 1983-09-06 |