Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259681 | Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic apparatus | Fengqiang Zhu, Shinjiro Suzuki, Masaru Takeuchi | 2025-03-25 |
| 11143976 | Photoconductor having interlayer for hole injection promotion | Seizo Kitagawa, Kazuya Saito, Hiroshi Emori, Masaru Takeuchi | 2021-10-12 |
| 9904186 | Electrophotographic photoreceptor, method for manufacturing same, and electrophotographic apparatus using same | Seizo Kitagawa, Yasushi Tanaka, Shinjiro Suzuki, Hiroshi Emori | 2018-02-27 |
| 9081319 | Electrophotographic photoconductor, manufacturing method thereof, and electrophotographic device | Shinjirou Suzuki, Yoichi Nakamura, Ikuo Takaki, Seizo Kitagawa | 2015-07-14 |
| 9081313 | Electrophotographic photoconductor, production method thereof, and electrophotographic device | Shinjiro Suzuki, Seizo Kitagawa | 2015-07-14 |
| 8735031 | Electrophotographic photoreceptor, process for producing the electrophotographic photoreceptor, and electrophotographic device | Yoichi Nakamura, Ikuo Takaki, Seizo Kitagawa, Shinjiro Suzuki | 2014-05-27 |
| 8597864 | Photoreceptor for electrophotography, process for producing the same, and electrophotographic apparatus | Shinjiro Suzuki, Yoichi Nakamura, Seizo Kitagawa, Fengqiang Zhu | 2013-12-03 |
| 8404414 | Electrophotographic photoconductor and manufacturing method thereof | Ikuo Takaki, Yoichi Nakamura, Seizo Kitagawa, Fengqiang Zhu | 2013-03-26 |
| 8354210 | Electrophotographic photoconductor and a method of manufacturing the same | Ikuo Takaki, Yoichi Nakamura | 2013-01-15 |
| 7723000 | Electrophotographic photoconductor | Shinjirou Suzuki, Yoichi Nakamura, Ikuo Takaki | 2010-05-25 |