Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11163241 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yota Ito, Shoma Hinata | 2021-11-02 |
| 11150566 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Shuhei Iwasaki, Akira Sakakibara, Yota Ito, Kohei Makisumi | 2021-10-19 |
| 11086241 | Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus | Akira Sakakibara, Yota Ito, Shuhei Iwasaki, Kohei Makisumi | 2021-08-10 |
| 10942462 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yota Ito, Akira Sakakibara, Shuhei Iwasaki, Kohei Makisumi | 2021-03-09 |
| 10838313 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kazuko Araki, Kaname Watariguchi, Masataka Kawahara | 2020-11-17 |
| 10831117 | Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge | Akira Sakakibara, Yota Ito, Shuhei Iwasaki, Kohei Makisumi | 2020-11-10 |
| 10429753 | Electrophotographic photoconductor, process cartridge, and electrophotographic apparatus | Kaname Watariguchi, Masato Tanaka, Masataka Kawahara | 2019-10-01 |
| 10401746 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kaname Watariguchi, Shoma Hinata, Kazuko Araki, Tsutomu Nishida, Masataka Kawahara +2 more | 2019-09-03 |
| 10303085 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Taichi Sato, Kenichi Kaku, Takashi Anezaki, Atsushi Fujii | 2019-05-28 |
| 10216105 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kenichi Kaku, Takashi Anezaki, Taichi Sato, Atsushi Fujii | 2019-02-26 |
| 10203617 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Takashi Anezaki, Taichi Sato, Kenichi Kaku, Atsushi Fujii | 2019-02-12 |
| 10162278 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Kenichi Kaku, Taichi Sato, Takashi Anezaki, Atsushi Fujii | 2018-12-25 |
| 10152002 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Takashi Anezaki, Kenichi Kaku, Taichi Sato, Atsushi Fujii | 2018-12-11 |
| 10012915 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and chlorogallium phthalocyanine crystal and method for producing the same | Tsutomu Nishida, Masato Tanaka, Masataka Kawahara, Kaname Watariguchi, Hidetoshi Hirano | 2018-07-03 |
| 9921499 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment | Kaname Watariguchi, Shoma Hinata, Kazuko Sakuma, Tsutomu Nishida, Hirofumi Kumoi +4 more | 2018-03-20 |
| 9869032 | Manufacturing method of phthalocyanine crystal by milling crystal transformation for at least 1,000 hours | Masataka Kawahara, Masato Tanaka, Tsutomu Nishida, Kaname Watariguchi | 2018-01-16 |
| 9709907 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Kaname Watariguchi, Masato Tanaka, Masataka Kawahara, Tsutomu Nishida | 2017-07-18 |
| 9645516 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Masataka Kawahara, Masato Tanaka, Tsutomu Nishida, Kaname Watariguchi | 2017-05-09 |
| 9563139 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Masataka Kawahara, Masato Tanaka, Tsutomu Nishida, Kaname Watariguchi | 2017-02-07 |