Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429791 | Toner | Kazunari Ooyama, Nobuyoshi Sugahara, Hitoshi Sano, Toru Takahashi, Kazuki Murata +5 more | 2025-09-30 |
| 12429793 | Magnetic carrier and two-component developer | Yuzo Tokunaga, Nobuyoshi Sugahara, Hironori Minagawa, Nobuhiro Yoshida | 2025-09-30 |
| 12386282 | Magnetic carrier, two-component developer, and developer for replenishment | Nobuhiro Yoshida, Hironori Minagawa, Yuzo Tokunaga, Nobuyoshi Sugahara | 2025-08-12 |
| 12339620 | Toner | MAKI IMURA, Tomoyo Miyakai, Kentaro Kamae, Shin Kitamura, Takaho Shibata | 2025-06-24 |
| 12099326 | Toner | Shin Kitamura, Nobuyoshi Sugahara, Daisuke Tsujimoto, Kazunari Ooyama, Kazuki Murata +5 more | 2024-09-24 |
| 11734825 | Segmentation device and method of generating learning model | Hideki Yoshikawa, Tomoyuki Sadakane | 2023-08-22 |
| 11698594 | Toner | Toru Takahashi, Nobuyoshi Sugahara, Hitoshi Sano, Kazunari Ooyama, Kohji Takenaka +1 more | 2023-07-11 |
| 11488305 | Segmentation device | Yoshinori Arai, Hideki Yoshikawa, Tomoyuki Sadakane | 2022-11-01 |
| 11045152 | X-ray tomography apparatus and X-ray tomography method | Tomoyuki Sadakane | 2021-06-29 |
| 10976682 | Method for controlling electrophotographic apparatus | Yukihiro Abe, Motoya Yamada, Toshiyasu Shirasuna, Hironori Owaki, Jun Ohira | 2021-04-13 |
| 10874360 | X-ray tomography apparatus and X-ray tomography method | — | 2020-12-29 |
| 9588447 | Electrophotographic photosensitive member, method for manufacturing the same, and electrophotographic apparatus | Toshiyasu Shirasuna | 2017-03-07 |
| 9091948 | Electrophotographic photosensitive member, method for manufacturing the same, and electrophotographic apparatus | Toshiyasu Shirasuna | 2015-07-28 |
| 8685611 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Kazuyoshi Akiyama | 2014-04-01 |
| 8630558 | Electrophotographic apparatus having an electrophotgraphic photosensitive member with an amorphous silicon carbide surface layer | Kazuyoshi Akiyama, Tomohito Ozawa | 2014-01-14 |
| 8563203 | Electrophotographic photosensitive member and electrophotographic apparatus | Hironori Owaki, Daisuke Tazawa | 2013-10-22 |
| 8465891 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Kazuyoshi Akiyama, Daisuke Tazawa | 2013-06-18 |
| 8445168 | Electrophotographic photosensitive member and electrophotographic apparatus | Kazuyoshi Akiyama, Tomohito Ozawa, Daisuke Tazawa | 2013-05-21 |
| 8323862 | Electrophotographic photosensitive member and electrophotographic apparatus | Tomohito Ozawa, Kazuyoshi Akiyama | 2012-12-04 |
| 8173344 | Electrophotographic photosensitive member and electrophotographic apparatus | Kazuyoshi Akiyama, Tomohito Ozawa | 2012-05-08 |
| 8168365 | Method for manufacturing electrophotographic photosensitive member | Tomohito Ozawa, Kazuyoshi Akiyama | 2012-05-01 |
| 7850502 | Method of manufacturing electron-emitting device and method of manufacturing image display apparatus | Tamaki Kobayashi, Yusuke Miyamoto, Takuto Moriguchi, Eiji Takeuchi, Takahiro Sato | 2010-12-14 |