Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9602220 | Quantum repeater network system | Koji Azuma, Hoi-Kwong Lo | 2017-03-21 |
| 5443922 | Organic thin film electroluminescence element | Kouji Nishizaki, Shigeki Takeuchi, Toyoko Shibata | 1995-08-22 |
| 5350655 | Electrophotographic photoreceptor with titanyl phthaloycyanine | Tomomi Oshiba, Fumitaka Mochizuki, Hajime Tadokoro, Akira Kinoshita, Kazumasa Watanabe +1 more | 1994-09-27 |
| 5310614 | Electrophotographic photoreceptor having an organic photoelectroconductive light sensitive layer | Hideo Yoshizawa, Hajime Tadokoro, Yoshihide Fujimaki | 1994-05-10 |
| 5278014 | Electrophotographic photoreceptor | Shigeki Takeuchi | 1994-01-11 |
| 5273852 | Electrophotographic photoreceptor employing polysilane-type carrier transfer polymeric material | Shigeki Takenouchi, Hideyuki Matsumoto | 1993-12-28 |
| 4952470 | Electrophotographic photosensitive member | Koichi Kudoh, Yoshihiko Etoh, Yoshiaki Takei | 1990-08-28 |
| 4888262 | Image forming method | Koichi Kudoh, Yoshihiko Etoh, Yoshiaki Takei | 1989-12-19 |
| 4845006 | Toner and process for developing electrostatic latent images | Akitoshi Matsubara | 1989-07-04 |
| 4770969 | Heat fusible toners for developing electrostatic images | Meizo Shirose, Jiro Takahashi, Kenichi Kishi, Akitoshi Matsubara | 1988-09-13 |
| 4600676 | Toner composition containing titanate coupling agent for electrophotography and method for producing said toner | Sadatugu Terada, Hideki Murata, Akitoshi Matsubara, Tsuneo Wada, Hiroyuki Takagiwa | 1986-07-15 |
| 4520090 | Magnetic toner | Hiroshi Yamazaki | 1985-05-28 |
| 4507378 | Method for the production of toner for electrophotography and the toner produced thereby | Tsuneo Wada, Hideki Murata, Sadatugu Terada, Hiroyuki Takagiwa | 1985-03-26 |
| 4486559 | Toner composition for the development of electrostatic latent images and a method of preparing the same | Hideki Murata, Sadatugu Terada, Tsuneo Wada, Akitoshi Matsubara, Hiroyuki Takagiwa | 1984-12-04 |
| 4448871 | Toner for developing an electrostatically charged image and manufacturing method thereof | Hideki Murata, Sadatugu Terada, Tsuneo Wada, Akitoshi Matsubara, Hiroyuki Takagiwa | 1984-05-15 |
| 4430436 | Analytical element and method of use | Mikio Koyama, Shozo Kikugawa, Kenichiro Okaniwa | 1984-02-07 |
| 4415644 | Electrostatic image developing toner and a method for the production thereof | Hideki Murata, Sadatugu Terada, Tsuneo Wada, Akitoshi Matsubara, Hiroyuki Takagiwa | 1983-11-15 |