Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259681 | Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic apparatus | Fengqiang Zhu, Masaru Takeuchi, Kazuki Nebashi | 2025-03-25 |
| 11586119 | Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic device | Fengqiang Zhu, Masaru Takeuchi, Tomoki Hasegawa | 2023-02-21 |
| 11506987 | Electrophotographic photoreceptor, method of manufacturing the photoreceptor, and electrophotographic device | Tomoki Hasegawa, Fengqiang Zhu | 2022-11-22 |
| 11073770 | Electrophotographic photoreceptor, production method thereof, and electrophotographic apparatus | Fengqiang Zhu, Tomoki Hasegawa, Masaru Takeuchi | 2021-07-27 |
| 11073771 | Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic device including the same | Tomoki Hasegawa, Fengqiang Zhu | 2021-07-27 |
| 11036151 | Electrophotographic photoreceptor, method for manufacturing same, and electrophotographic device | Seizo Kitagawa, Kazuya Saito, Toshiki Takeuchi | 2021-06-15 |
| 10962893 | Photosensitive body for electrophotography, method for producing same and electrophotographic apparatus | Seizo Kitagawa, Yuji Ogawa | 2021-03-30 |
| 10782622 | Photoreceptor for electrophotography, method for manufacturing the same, and electrophotographic device | Fengqiang Zhu, Toshiki Takeuchi | 2020-09-22 |
| 10747129 | Electrophotographic photoconductor, method of manufacturing the same, and electrophotographic apparatus | Fengqiang Zhu, Seizo Kitagawa | 2020-08-18 |
| 10585364 | Electrophotographic photoreceptor, method for producing the same, and electrophotographic device including the same | Tomoki Hasegawa, Fengqiang Zhu, Yuji Ogawa, Hirotaka Kobayashi | 2020-03-10 |
| 10551754 | Method of producing an electrophotographic photoreceptor | Tomoki Hasegawa, Hirotaka Kobayashi | 2020-02-04 |
| 10254665 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and electrophotographic apparatus including the photoreceptor | Quanqiu Zhang, Fengqiang Zhu, Masaru Takeuchi | 2019-04-09 |
| 10180100 | Cooling system and operation method of electric oil pump in cooling system | — | 2019-01-15 |
| 10133198 | Electrophotographic photoreceptor, method for manufacturing same and electrophotographic device | Fengqiang Zhu, Toshiki Takeuchi | 2018-11-20 |
| 9906103 | Rotary electrical machine cooling apparatus | Taketo Takeuchi, Kazuki Asada | 2018-02-27 |
| 9904186 | Electrophotographic photoreceptor, method for manufacturing same, and electrophotographic apparatus using same | Seizo Kitagawa, Yasushi Tanaka, Hiroshi Emori, Kazuki Nebashi | 2018-02-27 |
| 9772234 | Thermistor module | Taketo Takeuchi | 2017-09-26 |
| 9703215 | Electrophotographic photoreceptor, method of producing same, and electrophotographic apparatus | Tomoki Hasegawa, Fengqiang Zhu | 2017-07-11 |
| 9671705 | Electrophotographic photoconductor, production method thereof, and electrophotographic apparatus | Seizo Kitagawa, Hiroshi Emori | 2017-06-06 |
| 9665019 | Electrophotographic photoconductor, production method thereof, and electrophotographic apparatus | Ikuo Takaki, Seizo Kitagawa, Hiroshi Emori | 2017-05-30 |
| 9442400 | Electrophotographic photoreceptor including a copolymer polyarylate resin, production method therefor, electrophotographic device including the photoreceptor, and production method for the copolymer polyarylate resin | Fengqiang Zhu, Quanqiu Zhang, Seishi Terasaki | 2016-09-13 |
| 9081313 | Electrophotographic photoconductor, production method thereof, and electrophotographic device | Kazuki Nebashi, Seizo Kitagawa | 2015-07-14 |
| 8765336 | Electrophotographic photoreceptor and manufacturing method therefor | Fengqiang Zhu, Yoichi Nakamura | 2014-07-01 |
| 8748069 | Electrophotographic photoconductor and method for producing same | Fengqiang Zhu, Masaru Takeuchi, Quanqiu Zhang | 2014-06-10 |
| 8735031 | Electrophotographic photoreceptor, process for producing the electrophotographic photoreceptor, and electrophotographic device | Kazuki Nebashi, Yoichi Nakamura, Ikuo Takaki, Seizo Kitagawa | 2014-05-27 |