Issued Patents All Time
Showing 25 most recent of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248273 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Fumiyuki Hiyama, Shuntaro Watanabe | 2025-03-11 |
| 12153376 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shuntaro Watanabe, Tomohito Ishida, Hiroyuki Watanabe, Tatsuya Yamaai, MASATADA HIROTA | 2024-11-26 |
| 12153370 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Tomohito Ishida, Shuntaro Watanabe, Tatsuya Yamaai, Hiroyuki Watanabe, MASATADA HIROTA | 2024-11-26 |
| 12045006 | Electrophotographic photosensitive member | Shuhei Iwasaki, Tomohito Ishida, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka +2 more | 2024-07-23 |
| 11871590 | Thin film of metal oxide, organic electroluminescent device including thin film, photovoltaic cell including thin film, and manufacturing method of thin film | Hideo Hosono, Yoshitake Toda, Satoru Watanabe, Toshinari Watanabe, Kazuhiro Ito +1 more | 2024-01-09 |
| 11782353 | Method for producing electrophotographic photosensitive member | Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka +2 more | 2023-10-10 |
| 11619907 | Process cartridge | Fumiyuki Hiyama, Shuhei Iwasaki, Hiroyuki Watanabe, Tomohito Ishida, Shuntaro Watanabe | 2023-04-04 |
| 11392074 | Electrophotographic photosensitive member having outer surface with first and second structure groups, the first structure group having a smaller appearance period and a lower height than the second structure group | Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka +2 more | 2022-07-19 |
| 11392050 | Process cartridge and electrophotographic apparatus | Tsutomu Nishida, Yuka Ishiduka, Kenichi Kaku, Hiroyuki Watanabe, Hideharu Shimozawa +3 more | 2022-07-19 |
| 11366402 | Process cartridge and electrophotographic apparatus using the same | Yuka Ishiduka, Tsutomu Nishida, Hideharu Shimozawa, Hiroyuki Watanabe, Kenichi Kaku +4 more | 2022-06-21 |
| 11256186 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Hideharu Shimozawa, Tsutomu Nishida, Atsushi Okuda, Yuka Ishiduka, Kenichi Kaku +1 more | 2022-02-22 |
| 11075303 | Oxide semiconductor compound, semiconductor element provided with layer of oxide semiconductor compound, and laminated body | Hideo Hosono, Toshio Kamiya, Hideya Kumomi, Junghwan Kim, Satoru Watanabe +1 more | 2021-07-27 |
| 11003102 | Electrophotographic image forming apparatus and process cartridge | Yuka Ishiduka, Tsutomu Nishida, Hideharu Shimozawa, Hiroyuki Watanabe | 2021-05-11 |
| 10838315 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Hideharu Shimozawa, Tsutomu Nishida, Atsushi Okuda, Yuka Ishiduka, Hiroyuki Watanabe | 2020-11-17 |
| 10831118 | Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member | Hiroyuki Watanabe, Tsutomu Nishida, Yuka Ishiduka, Atsushi Okuda, Hideharu Shimozawa +3 more | 2020-11-10 |
| 10747131 | Electrophotographic photosensitive member and method for manufacturing the same as well as process cartridge and electrophotographic image-forming apparatus | Hiroyuki Watanabe, Tsutomu Nishida, Yuka Ishiduka, Atsushi Okuda, Hideharu Shimozawa +1 more | 2020-08-18 |
| 10747130 | Process cartridge and electrophotographic apparatus | Atsushi Okuda, Tsutomu Nishida, Yuka Ishiduka, Hiroyuki Watanabe, Hideharu Shimozawa +3 more | 2020-08-18 |
| 10691033 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tsutomu Nishida, Atsushi Okuda, Yuka Ishiduka, Hiroyuki Watanabe, Hideharu Shimozawa | 2020-06-23 |
| 10642177 | Process cartridge and image-forming apparatus | Tsutomu Nishida, Atsushi Okuda, Yuka Ishiduka, Hiroyuki Watanabe, Hideharu Shimozawa | 2020-05-05 |
| 10558133 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Tsutomu Nishida, Atsushi Okuda, Yuka Ishiduka, Hiroyuki Watanabe, Hideharu Shimozawa +3 more | 2020-02-11 |
| 10558132 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yuka Ishiduka, Tsutomu Nishida, Atsushi Okuda, Hiroyuki Watanabe, Hideharu Shimozawa +6 more | 2020-02-11 |
| 10539892 | Electrophotographic photosensitive member, process cartridge, and electrophotographic image-forming apparatus | Tsutomu Nishida, Yuka Ishiduka, Kenichi Kaku, Hiroyuki Watanabe, Hideharu Shimozawa +1 more | 2020-01-21 |
| 10501369 | Translucent substrate, organic LED element and method of manufacturing translucent substrate | Takahiro Mashimo, Naoto KIHARA, Kazunobu Maeshige, Teruo Fujiwara, Masahiro Kishi +1 more | 2019-12-10 |
| 10446783 | Light-emitting device, display apparatus and lighting apparatus | Hideo Hosono, Yoshitake Toda, Naomichi Miyakawa, Satoru Watanabe, Toshinari Watanabe | 2019-10-15 |
| 10331052 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kazunori Noguchi, Takeshi Murakami, Atsushi Okuda, Harunobu Ogaki | 2019-06-25 |