Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308254 | Load lock device | Jun Miura, Naoya Fukuda, Shuji Kumagai, Tetsuro TODA, Hidetoshi Shimokawa +3 more | 2025-05-20 |
| 12211735 | Load lock device | Jun Miura, Naoya Fukuda, Hidetoshi Shimokawa | 2025-01-28 |
| 10768539 | Electrophotographic photosensitive member, production method therefor, process cartridge, and electrophotographic image-forming apparatus | Haruki Mori, Koichi Nakata, Masaki Nonaka | 2020-09-08 |
| 10761442 | Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of producing electrophotographic photosensitive member | Koichi Nakata, Haruki Mori, Shubun Kujirai, Isao Kawata, Yuto Ito +1 more | 2020-09-01 |
| 10670979 | Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of manufacturing electrophotographic photosensitive member | Koichi Nakata, Haruki Mori, Koichi Suzuki, Ryuji Higashi, Isao Kawata +3 more | 2020-06-02 |
| 10488769 | Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member | Koichi Nakata, Haruki Mori, Masaki Nonaka, Shubun Kujirai | 2019-11-26 |
| 10488771 | Electrophotographic photosensitive member, method for producing the same, process cartridge, and electrophotographic apparatus | Haruki Mori, Masaki Nonaka, Koichi Nakata | 2019-11-26 |
| 10451984 | Production method of electrophotographic photosensitive member, electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Haruki Mori, Masaki Nonaka, Koichi Nakata | 2019-10-22 |
| 10310395 | Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge | Koichi Nakata, Haruki Mori, Masaki Nonaka, Ryoichi Tokimitsu | 2019-06-04 |
| 10120331 | Electrophotographic photosensitive member, process for producing electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge including electrophotographic photosensitive member | Koichi Nakata, Masaki Nonaka, Haruki Mori | 2018-11-06 |
| 10067431 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Masaki Nonaka, Haruki Mori, Ryoichi Tokimitsu, Koichi Nakata | 2018-09-04 |
| 10042272 | Electrophotographic photosensitive member, method for producing the same, process cartridge and electrophotographic apparatus | Haruki Mori, Masaki Nonaka, Koichi Nakata | 2018-08-07 |
| 9946175 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compound | Koichi Nakata, Yuzo Tokunaga, Masaki Nonaka, Ryoichi Tokimitsu | 2018-04-17 |
| 9829810 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member | Masaki Nonaka, Ryoichi Tokimitsu, Koichi Nakata, Haruki Mori | 2017-11-28 |
| 9740117 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compound | Nobuo Kosaka, Koichi Nakata | 2017-08-22 |
| 9594318 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Koichi Nakata, Masaki Nonaka, Ryoichi Tokimitsu, Haruki Mori | 2017-03-14 |
| 9477164 | Electrophotographic photosensitive member, method for producing the same, electrophotographic apparatus, and process cartridge | Koichi Nakata | 2016-10-25 |
| 9389523 | Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member | Koichi Nakata, Nobuo Kosaka, Koichi Suzuki | 2016-07-12 |
| 9316931 | Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and condensed polycyclic aromatic compound | Koichi Nakata, Nobuo Kosaka | 2016-04-19 |
| 8864276 | Printhead and printing apparatus utilizing data signal transfer error detection | Hidenori Yamato, Tatsuo Furukawa, Nobuyuki Hirayama, Ryo Kasai, Kimiyuki Hayasaki | 2014-10-21 |
| 8795936 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Michiyo Sekiya, Akihiro Maruyama, Hideaki Nagasaka | 2014-08-05 |
| 8664799 | Apparatus including power supply circuit | Yasufumi Ogasawara, Yuichi Naoi | 2014-03-04 |
| 8632931 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kunihiko Sekido, Hideaki Nagasaka, Michiyo Sekiya | 2014-01-21 |
| 8546050 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Akihiro Maruyama, Kunihiko Sekido, Michiyo Sekiya, Hideaki Nagasaka | 2013-10-01 |
| 8524431 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Hideaki Nagasaka, Kunihiko Sekido, Akihiro Maruyama, Michiyo Sekiya | 2013-09-03 |