Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8372574 | Method of producing electrostatic latent image developing toner | Hideo Maehata, Masaaki Suwabe, Tsutomu Kubo, Makiko Nakano, Kazuhiko Yanagida +1 more | 2013-02-12 |
| 5925893 | Semiconductive member and production method thereof | Michiaki Yasuno, Minoru Rokutan, Mitsuo Fukuda, Jun Mihara, Yuzo Ozaki +2 more | 1999-07-20 |
| 5529842 | Charge roll for electrophotography | Taketoshi Hoshizaki, Masato Ono, Kazuhiro Koseki, Kozo Oka | 1996-06-25 |
| 5188929 | Electrostatic image developing toner comprising complex compounds containing silicon | — | 1993-02-23 |
| 5037717 | Developer composition for electrophotography comprising fine particles | Takayoshi Aoki, Koichi Tanaka, Shigeru Sadamatsu | 1991-08-06 |
| 4943505 | Developer and toner composition produced by emulsion polymerization | Takayoshi Aoki, Koichi Tanaka, Shigeru Sadamatsu | 1990-07-24 |
| 4933253 | Electrophotographic developer comprising toner particles and acrylic polymer fine particles | Takayoshi Aoki, Koichi Tanaka, Shigeru Sadamatsu | 1990-06-12 |
| 4767688 | Charge controlling method and developers containing a charge-exchange control agent comprising organic boron compound | Ken Hashimoto, Masayuki Maruta, Hidehiko Soyama | 1988-08-30 |