Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12174566 | Heating apparatus including a plurality of heat generation members, fixing apparatus, and image forming apparatus | Nozomu Nakajima | 2024-12-24 |
| 11774888 | Heating apparatus including a plurality of heat generation members, fixing apparatus, and image forming apparatus | Nozomu Nakajima | 2023-10-03 |
| 11520263 | Heating apparatus including a plurality of heat generation members, fixing apparatus, and image forming apparatus | Nozomu Nakajima | 2022-12-06 |
| 11156945 | Heating apparatus including a plurality of heat generation members, fixing apparatus, and image forming apparatus | Nozomu Nakajima | 2021-10-26 |
| 7579749 | Power supply device and image forming apparatus using the power supply device | Hiroki Murata, Teruhiko Namiki, Osamu Nagasaki, Atsuhiko Yamaguchi, Takehiro Uchiyama +1 more | 2009-08-25 |
| 7548708 | Power supply unit in image forming apparatus | Osamu Nagasaki, Atsuhiko Yamaguchi, Takehiro Uchiyama, Kouji Yasukawa, Teruhiko Namiki +1 more | 2009-06-16 |
| 7483644 | Image forming apparatus and high voltage power thereof | Takehiro Uchiyama, Takeshi Kawamura | 2009-01-27 |
| 7130573 | Image forming apparatus | — | 2006-10-31 |
| 6856338 | Image forming apparatus | Masayoshi Takahashi, Yoshihiko Tanaka | 2005-02-15 |
| 6718146 | Image forming apparatus and image forming method | — | 2004-04-06 |
| 6633598 | Semiconductor laser device, and image forming apparatus | Junichi Kimizuka, Akira Nakaya | 2003-10-14 |
| 6615002 | Image forming apparatus and process cartridge for applying an alternating current to a charging member or charging means for charging an image bearing member | Seiji Saito, Hiroshi Takami, Hiroaki Sakai, Masaru Shimura, Takeshi Kawamura | 2003-09-02 |
| 6587495 | Semiconductor laser device, and image forming apparatus | Junichi Kimizuka, Akira Nakaya | 2003-07-01 |
| 6564023 | Image forming apparatus with AC current detector | Hiroshi Takami, Masaru Shimura, Seiji Saito | 2003-05-13 |
| 6539184 | Image forming apparatus with current control | Masaru Shimura, Hiroshi Takami, Hiroaki Sakai, Seiji Saito | 2003-03-25 |
| 6496661 | Sheet attachment detecting apparatus, fixing apparatus and image forming apparatus | Masao Ando, Takayasu Yuminamochi, Yasunari Kobaru | 2002-12-17 |
| 6449445 | Image heating apparatus with time constant setting means | Kei Sato | 2002-09-10 |
| 6421139 | Image forming apparatus for forming image on free-size sheet having arbitrary size | Hiroshi Takami, Junichi Kimizuka, Soya Endo, Hiroshi Chihara | 2002-07-16 |
| 5965868 | Laser light quantity control device | — | 1999-10-12 |
| 5926683 | Image forming apparatus with two-potential-level electricity removing member | Takayasu Yuminamochi, Junichi Kimizuka | 1999-07-20 |
| 5895155 | Printer buffer unit | Izumi Narita, Akihisa Kusano, Yuzo Seino, Kaoru Sato, Tatsuto Tachibana | 1999-04-20 |
| 5887991 | Printer buffer unit detecting phase of transition signal to initiate job offset command | Izumi Narita, Akihisa Kusano, Yuzo Seino, Kaoru Sato, Tatsuto Tachibana | 1999-03-30 |
| 5818503 | Differential driving circuit for a semiconductor laser | Akihisa Kusano, Izumi Narita, Yuzo Seino, Kaoru Sato, Tatsuto Tachibana | 1998-10-06 |
| 5612776 | Recording apparatus and method with sheet feed control that controls loop | Hitoshi Machino, Hiroshi Hashimoto, Soya Endo, Masanori Ishizu, Junichi Kimizuka | 1997-03-18 |
| 5519431 | Driving circuit for semiconductor laser and image forming apparatus using the same | Akihisa Kusano, Izumi Narita, Yuzo Seino, Kaoru Sato, Tatsuto Tachibana | 1996-05-21 |