Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313992 | Fixing unit and image forming apparatus | Yusuke Nakashima, Ryo Okuzumi | 2025-05-27 |
| 12169379 | Power control device, fixing device, and image forming apparatus | Satoru Nagashima, Yusuke Nakashima | 2024-12-17 |
| 12055879 | Fixing unit and image forming apparatus | Yusuke Nakashima, Ryo Okuzumi | 2024-08-06 |
| 11709448 | Fixing unit and image forming apparatus | Yusuke Nakashima, Ryo Okuzumi | 2023-07-25 |
| 11156951 | Fixing unit and image forming apparatus | Tatsuya Kinukawa, Sho Taguchi, Shoichiro Ikegami | 2021-10-26 |
| 10928759 | Heating apparatus and image forming apparatus for controlling conduction to heat generation member | Ken Oi, Nozomu Nakajima | 2021-02-23 |
| 10222735 | Fixing apparatus and image forming apparatus | Tsuyoshi Yamaguchi | 2019-03-05 |
| 9229376 | High voltage power supply and image forming apparatus | — | 2016-01-05 |
| 9052670 | Color image forming apparatus | Masaru Shimura, Hideo Nanataki, Shinsuke Kobayashi, Shinji Katagiri, Yasunari Watanabe +2 more | 2015-06-09 |
| 8831444 | Color image forming apparatus | Masaru Shimura, Hideo Nanataki, Shinsuke Kobayashi, Shinji Katagiri, Yasunari Watanabe +2 more | 2014-09-09 |
| 7898149 | Power supply device and image forming apparatus | — | 2011-03-01 |
| 7579749 | Power supply device and image forming apparatus using the power supply device | Hiroki Murata, Teruhiko Namiki, Osamu Nagasaki, Atsuhiko Yamaguchi, Tomohiro Nakamori +1 more | 2009-08-25 |
| 7548708 | Power supply unit in image forming apparatus | Osamu Nagasaki, Atsuhiko Yamaguchi, Tomohiro Nakamori, Takehiro Uchiyama, Teruhiko Namiki +1 more | 2009-06-16 |
| 7425789 | Power supply apparatus, and image forming apparatus having the same | Hiroshi Mano, Atsuhiko Yamaguchi, Osamu Nagasaki | 2008-09-16 |
| 7265479 | Power supply apparatus, and image forming apparatus having the same | Atsuhiko Yamaguchi, Hiroshi Mano, Osamu Nagasaki | 2007-09-04 |
| 6268071 | Organic electroluminescent device | Hiroyuki Endo, Hideo Kato, Junichi Shimamura, Osamu Onitsuka, Akira Ebisawa | 2001-07-31 |
| 6259204 | Organic electroluminescent device | Akira Ebisawa, Hiroyuki Endo, Taku Someya, Osamu Onitsuka | 2001-07-10 |