Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432603 | Process for producing electrophotographic photosensitive member | Tomohiro Kimura, Yoichi Kawamorita, Koichi Suzuki, Hideaki Nagasaka, Shigemori Tanaka | 2002-08-13 |
| 6214636 | Photovoltaic device with improved collector electrode | Ippei Sawayama, Hitoshi Toma, Tatsuo Fujisaki, Toshihiko Mimura | 2001-04-10 |
| 5428249 | Photovoltaic device with improved collector electrode | Ippei Sawayama, Hitoshi Toma, Tatsuo Fujisaki, Toshihiko Mimura | 1995-06-27 |
| 5418102 | Developer for developing electrostatic image, image forming method, toner imager fixing method and image forming apparatus | Takaaki Kotaki, Ryoichi Fujita, Makoto Kanbayashi, Minoru Shimojo | 1995-05-23 |
| 5333059 | Electrostatic imaging apparatus and facsimile apparatus employing toner with low aldehyde content | Seiichi Takagi, Hiroyuki Suematsu, Manabu Ohno, Tetsuhito Kuwashima, Eiichi Imai +1 more | 1994-07-26 |
| 5126224 | Electrostatic image developing toner and process for its production, and binder resin and process for its production | Seiichi Takagi, Hiroyuki Suematsu, Manabu Ohno, Tetsuhito Kuwashima, Eiichi Imai +1 more | 1992-06-30 |
| 4939060 | Magnetic toner for developing electrostatic images | Koichi Tomiyama, Seiichi Takagi, Ichiro Ohsaki, Satoshi Yasuda | 1990-07-03 |
| 4912010 | Process for producing toner | Hiromi Mori, Satoshi Matsunaga, Kuniko Kobayashi | 1990-03-27 |
| 4900647 | Process for producing electrophotographic toner comprising micropulverization, classification and smoothing | Norio Hikake, Hitoshi Kanda | 1990-02-13 |
| 4845007 | Process for producing toner through suspension polymerization | Hiromi Mori, Eiichi Imai | 1989-07-04 |
| 4839255 | Process for producing toner for developing electrostatic images | Norio Hikake, Katsuhiko Tanaka | 1989-06-13 |
| 4816366 | Process for producing toner through suspension polymerization | Takeshi Ikeda, Hitoshi Kanda, Hiromi Mori, Hiroaki Kawakami, Kuniko Kobayashi | 1989-03-28 |
| 4804610 | Process for producing toner by suspension polymerization method | Hiromi Mori, Satoshi Matsunaga, Kuniko Kobayashi, Eiichi Imai | 1989-02-14 |
| 4626489 | Process for producing toner for development of electrostatic images by stepwise suspension polymerization | — | 1986-12-02 |
| 4623604 | Triboelectric stabilized toner for developing electrically charged images and a method for the production thereof | Hiroyuki Takagiwa, Kenzi Thuzita, Goichi Yamakawa, Makoto Tomono, Saburo Wakimoto +3 more | 1986-11-18 |
| 4609607 | Magnetic toner and process for producing the same | Seiichi Takagi | 1986-09-02 |
| 4601968 | Process for producing toner for development of electrostatic images by stepwise suspension polymerizations | — | 1986-07-22 |
| 4592990 | Process for producing toner | Seiichi Takagi, Masumi Sasakawa | 1986-06-03 |
| 4360611 | Fine spherical polymer particles and process for the preparation thereof | Saburo Wakimoto, Sadayasu Miyahara | 1982-11-23 |
| 4314932 | Fine spherical polymer particles containing inorganic pigment and/or coloring agent and process for the preparation thereof | Saburo Wakimoto, Sadayasu Miyahara | 1982-02-09 |
| 4269760 | Fine spherical polymer particles containing inorganic pigment and/or coloring agent and process for the preparation thereof | Saburo Wakimoto, Sadayasu Miyahara | 1981-05-26 |