Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11586121 | Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming device | Masaki Yamada, Yuichi Kikuchi, Kenji Takashima, Kazuhiro Yamauchi, Takumi Furukawa | 2023-02-21 |
| 11556073 | Electroconductive elastic body, electrophotographic member, process cartridge, and electrophotographic image-forming apparatus | Yasuhiro Fushimoto, Masafumi Kyogaku | 2023-01-17 |
| 11307509 | Electro-conductive member, method for producing same, process cartridge and electrophotographic image forming apparatus | Yasuhiro Fushimoto, Norifumi Muranaka, Masafumi Kyogaku, Masaki Yamada, Hiroshi Inoue +5 more | 2022-04-19 |
| 11112748 | Developing member, process cartridge and electrophotographic apparatus | Masaki Yamada, Yuichi Kikuchi, Kazuhiro Yamauchi, Takumi Furukawa, Hiroaki Watanabe +3 more | 2021-09-07 |
| 10968315 | Method of producing a polymer nanofiber sheet | Kazuhiro Yamauchi | 2021-04-06 |
| 10843383 | Rubber composition | Kenji Takashima, Kazuhiro Yamauchi | 2020-11-24 |
| 10302125 | Sliding member and sliding mechanism | Naoyuki Koketsu, Kenji Takashima, Akiko Takei | 2019-05-28 |
| 10294595 | Polymer nanofiber sheet and method for producing the same | Kaori Yasufuku, Kenji Takashima, Kazuhiro Yamauchi | 2019-05-21 |
| 10252209 | Nanofiber sheet and method of producing the sheet | Kaori Yasufuku, Kenji Takashima, Kazuhiro Yamauchi | 2019-04-09 |
| 10239006 | Polymer nanofiber structural body and method of producing the same | Kenji Takashima, Kazuhiro Yamauchi | 2019-03-26 |
| 10239003 | Polymer nanofiber accumulated body and method of producing the same | Kaori Yasufuku, Kenji Takashima, Kazuhiro Yamauchi | 2019-03-26 |
| 10119203 | Glossy member and method of producing the member | Kenji Takashima, Kazuhiro Yamauchi | 2018-11-06 |
| 10036996 | Sliding member, sliding device including sliding member, and electrophotographic image forming apparatus including sliding device | Naoyuki Koketsu, Kenji Takashima, Akiko Takei | 2018-07-31 |
| 10018927 | Electroconductive member for electrophotography, process cartridge and electrophotographic apparatus | Satoru Yamada, Kazuhiro Yamauchi, Norifumi Muranaka, Yuichi Kikuchi | 2018-07-10 |
| 9958802 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Yuichi Kikuchi, Kazuhiro Yamauchi, Norifumi Muranaka, Satoru Nishioka | 2018-05-01 |
| 9943793 | Polymer nanofiber structural body and polymer nanofiber composite using the structural body, and methods of producing the structural body and the composite | Kenji Takashima, Kazuhiro Yamauchi | 2018-04-17 |
| 9665029 | Electro-conductive roller and method of manufacturing the same | Kazuhiro Yamauchi, Masaaki Shibata | 2017-05-30 |
| 9651888 | Electroconductive member with a surface layer including a porous body having a continuous open pore | Norifumi Muranaka, Kazuhiro Yamauchi, Yuichi Kikuchi, Koji Otsuka, Masaki Imoto +1 more | 2017-05-16 |
| 9580847 | Porous laminate | Kenji Takashima, Kazuhiro Yamauchi | 2017-02-28 |
| 9551949 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Kazuhiro Yamauchi, Satoru Yamada, Norifumi Muranaka, Yuichi Kikuchi | 2017-01-24 |
| 9547250 | Electroconductive member for electrophotography, process cartridge and electrophotographic apparatus | Yuichi Kikuchi, Kazuhiro Yamauchi, Norifumi Muranaka, Satoru Yamada | 2017-01-17 |
| 9541854 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Yuichi Kikuchi, Kazuhiro Yamauchi, Mikio Shimada, Masahiro Watanabe, Norifumi Muranaka +1 more | 2017-01-10 |
| 9522352 | Nanofiber structural body and collecting apparatus using the nanofiber structural body, and method of producing the nanofiber structural body | Kenji Takashima, Kazuhiro Yamauchi | 2016-12-20 |
| 9146482 | Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatus | Masahiro Watanabe, Yuichi Kikuchi, Kazuhiro Yamauchi, Satoru Nishioka, Norifumi Muranaka +1 more | 2015-09-29 |
| 9093927 | Actuator with ionic liquid | Sakae Suda, Jun Yamamoto, Sotomitsu Ikeda | 2015-07-28 |