Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037717 | Developer composition for electrophotography comprising fine particles | Yukihiro Ishii, Takayoshi Aoki, Koichi Tanaka | 1991-08-06 |
| 4943505 | Developer and toner composition produced by emulsion polymerization | Takayoshi Aoki, Yukihiro Ishii, Koichi Tanaka | 1990-07-24 |
| 4933253 | Electrophotographic developer comprising toner particles and acrylic polymer fine particles | Takayoshi Aoki, Yukihiro Ishii, Koichi Tanaka | 1990-06-12 |
| 4365274 | One-dimensional image sensor | Mutsuo Takenouchi | 1982-12-21 |
| 4346159 | Photosensitive element for electrophotography | Lyon S. Pu, Yoshihisa Ishikawa | 1982-08-24 |
| 4315980 | Electrophotographic member with metallocene containing overlayer | Kohichi Yamamoto, Kazuaki Ohmi | 1982-02-16 |
| 4245022 | Dry electrophotographic developers | Masakatsu Kimura | 1981-01-13 |
| 4197119 | Electrophotographic process | Kozo Oka | 1980-04-08 |