Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120962 | Organic silicone quaternary ammonium salt, producing method thereof, and toner and dry-type developer using the same for developing latent electrostatic images | — | 2000-09-19 |
| 5595852 | Organosilicon compound, producing method thereof and toner and dry-type developer using the same | Haruo Iimura, Hiroyuki Takahashi, Fuyuhiko Matsumoto | 1997-01-21 |
| 5492784 | Positively-chargeable single-layered type electrophotographic photoconductor | Masao Yoshikawa, Masayuki Shoshi, Tetsuro Suzuki, Kaoru Teramura, Megumi Kawahara +3 more | 1996-02-20 |
| 5486438 | Electrophotographic photoconductor | Masayuki Shoshi, Akiko Konishi, Megumi Kawahara, Akio Kojima, Tetsuro Suzuki +1 more | 1996-01-23 |
| 5441844 | Optical information recording medium using bisazo or trisazo compounds | — | 1995-08-15 |
| 5387487 | Electrophotographic photoconductor | Masayuki Shoshi, Masahiro Taniucchi, Akio Kojima, Masao Yoshikawa, Tetsuro Suzuki | 1995-02-07 |
| 5350653 | Electrophotographic photoconductor | Masayuki Shoshi, Akiko Konishi, Megumi Kawahara, Akio Kojima, Tetsuro Suzuki +1 more | 1994-09-27 |
| 5312906 | Optical information recording media and bisazo compounds for use therein | — | 1994-05-17 |