Issued Patents All Time
Showing 25 most recent of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158722 | Cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tomonori Mori, Tetsuya Numata +1 more | 2024-12-03 |
| 12099325 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe | 2024-09-24 |
| 11846910 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe | 2023-12-19 |
| 11733644 | Cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tomonori Mori, Tetsuya Numata +1 more | 2023-08-22 |
| 11567447 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe | 2023-01-31 |
| 11409227 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi, Masato Tanabe, Tomonori Mori, Daisuke Abe, Hideshi Kawaguchi | 2022-08-09 |
| 11378914 | Process cartridge and image forming apparatus | Tsuyoshi Ogawa, Tomonori Mori, Daisuke Abe, Noriyuki Komatsu, Hideshi Kawaguchi | 2022-07-05 |
| 11327432 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe | 2022-05-10 |
| 11209773 | Cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tomonori Mori, Tetsuya Numata +1 more | 2021-12-28 |
| 11067942 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi, Masato Tanabe, Tomonori Mori, Daisuke Abe, Hideshi Kawaguchi | 2021-07-20 |
| 10996620 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe | 2021-05-04 |
| 10948872 | Process cartridge and image forming apparatus having an electrical contact portion mounted on a projection and electrically connected to a storing portion | Tsuyoshi Ogawa, Tomonori Mori, Daisuke Abe, Noriyuki Komatsu, Hideshi Kawaguchi | 2021-03-16 |
| 10671013 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi, Masato Tanabe, Tomonori Mori, Daisuke Abe, Hideshi Kawaguchi | 2020-06-02 |
| 6823155 | Process cartridge and image forming apparatus | Kazuo Chadani, Daisuke Abe | 2004-11-23 |
| 6760558 | Developing device having a cover with partition member | Kazuo Chadani, Daisuke Abe | 2004-07-06 |
| 6654578 | Image forming apparatus to which a process cartridge having a part connecting member is detachably mountable, process cartridge having a part connecting member, and part connecting member | Akira Suzuki, Kenshiro Abe, Kouichi Hiratsuka | 2003-11-25 |
| 6603939 | Developing apparatus, process cartridge, connecting method between developing frame and developer frame, and flexible seal | Shinjiro Toba, Shigeo Miyabe, Hiroaki Sakai | 2003-08-05 |
| 6542706 | Process cartridge and electrophotographic image forming apparatus | Shinjiro Toba, Shinichi Sasaki, Shigeo Miyabe | 2003-04-01 |
| 6535699 | Developer container, developer amount detecting system, process cartridge, developing device, and image forming apparatus | Daisuke Abe, Kazuo Chadani | 2003-03-18 |
| 6519431 | Process cartridge, assembling method therefor and electrophotographic image forming apparatus | Shinjiro Toba, Shigeo Miyabe | 2003-02-11 |
| 6473578 | Developing apparatus | Shigeo Miyabe, Shinjiro Toba | 2002-10-29 |
| 6424811 | Electrophotographic image forming apparatus and process cartridge detachably mounted thereto having first and second drive force transmitting means | Shinjiro Toba | 2002-07-23 |
| 6415121 | Connecting method of resin material molded product, process cartridge and assembling method of process cartridge | Akira Suzuki, Kenshiro Abe, Shinichi Sasaki, Shigeo Miyabe, Kouichi Hiratsuka | 2002-07-02 |
| 6334035 | Developer container and cartridge | Daisuke Abe, Yoshiyuki Batori, Takao Nakagawa | 2001-12-25 |
| 6324363 | Process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Shinichi Sasaki, Isao Ikemoto | 2001-11-27 |