Issued Patents 2020
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10877433 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2020-12-29 |
| 10845756 | Rotational force transmitting part | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2020-11-24 |
| 10831150 | Cartridge and image forming apparatus | Akinobu Hirayama, Toshiaki Takeuchi | 2020-11-10 |
| 10816931 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shiego Miyabe | 2020-10-27 |
| 10795312 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shiego Miyabe | 2020-10-06 |
| 10788790 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shiego Miyabe | 2020-09-29 |
| 10788789 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shiego Miyabe | 2020-09-29 |
| 10761479 | Cartridge | Akinobu Hirayama, Toshiaki Takeuchi | 2020-09-01 |
| 10739721 | Cartridge and image forming apparatus | Akinobu Hirayama, Toshiaki Takeuchi | 2020-08-11 |
| 10712710 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shiego Miyabe | 2020-07-14 |
| 10712709 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shiego Miyabe | 2020-07-14 |
| 10671018 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2020-06-02 |
| 10620582 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shigeo Miyabe | 2020-04-14 |
| 10585391 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2020-03-10 |
| 10579012 | Cartridge, process cartridge, and image forming apparatus | Toshiaki Takeuchi, Yuuki Nakamura, Kensuke Suzuki | 2020-03-03 |
| 10558165 | Cartridge and image forming apparatus | Akinobu Hirayama, Toshiaki Takeuchi | 2020-02-11 |
| 10551793 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2020-02-04 |
| 10545450 | Cartridge, mounting method for coupling member, and disassembling method for coupling member | Shigeo Miyabe, Atsushi Takasaka | 2020-01-28 |
| 10539924 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka | 2020-01-21 |
| 10539923 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka | 2020-01-21 |