Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204205 | Three layered toner for electrophotography | Masahiro Anno, Kazuo Ota, Eiichi Sano, Makoto Kobayashi | 1993-04-20 |
| 5166027 | Fine particles composing developer for electrophotography | Junji Ohtani, Kazuo Ota, Satoshi Asahi, Hiroshi Hayashi, Kouichi Matono | 1992-11-24 |
| 5149611 | Color toner for developing electrostatic latent image | Toshitaro Kohri, Masahiro Anno | 1992-09-22 |
| 5093201 | Polyolefinic resin-coated uneven electrophotographic carrier particles | Junji Ohtani, Kazuo Ota, Satoshi Asahi, Hiroshi Hayashi, Kouichi Matono | 1992-03-03 |
| 5079125 | Three layered toner for electrophotography | Masahiro Anno, Kazuo Ota, Eiichi Sano, Makoto Kobayashi | 1992-01-07 |
| 5004665 | Toner containing polymeric-magnetic coordination complex | Junji Ohtani, Masahiro Anno, Eiichi Sano, Fumio Masuda | 1991-04-02 |
| 4990427 | Toner for developing electrostatic latent images | Toshitaro Kohri, Hitoshi Kato, Kunio Takahashi | 1991-02-05 |
| 4987454 | Developing method for developing electrostatic latent image | Toshiya Natsuhara, Yuji Enoguchi, Hiroshi Mizuno, Masahiro Anno | 1991-01-22 |
| 4980257 | Electrostatic latent image developing toner and method for production thereof | Masahiro Anno, Eiichi Sano | 1990-12-25 |
| 4978595 | Photoconductive toner containing polymeric-magnetic coordination complex | Masahiro Anno, Junji Ohtani, Eiichi Sano, Fumio Masuda | 1990-12-18 |
| 4973541 | Electrostatic latent image developer comprising capsule toner of irregular shape, wrinkled surface | Toshitaro Kohri, Masahiro Anno | 1990-11-27 |
| 4973540 | Developer for electrostatic latent image containing fine particle comprising positively and negatively chargeable polar group | Masashi Yamamoto, Ichiro Demizu, Kouichi Etou | 1990-11-27 |
| 4968577 | Wrinkle configured electrophotographic capsule toner particles | Toshitaro Kohri, Masahiro Anno | 1990-11-06 |
| 4868082 | Binder type carrier | Toshitaro Kohri | 1989-09-19 |
| 4861693 | Carrier for electrophotography | Junji Ohtani, Eiichi Sano, Fumio Masuda | 1989-08-29 |
| 4822708 | Carrier for use in developing device of electrostatic latent image and production thereof | Junji Ohtani, Eiichi Sano, Masahiro Anno, Toshitaro Kohri, Yukio Tanigami +1 more | 1989-04-18 |
| 4623605 | Dry developer for developing electrostatic latent images contains silica and titanium dioxide | Hitoshi Kato, Toshitaro Kohri | 1986-11-18 |