Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413152 | Switching control circuit and power supply circuit | Hiroaki Matsumoto | 2025-09-09 |
| 10888041 | Substrate working system and component mounter | Kazushi Takama | 2021-01-05 |
| 10201120 | Component mounting apparatus | Isao Takahira, Tomohiro Inoue, Hiroshi Ikeda | 2019-02-05 |
| 7546678 | Electronic component mounting apparatus | Akira Aoki, Shigeru Kuribara, Akihiro Kawai | 2009-06-16 |
| 6836638 | Cleaning device and image forming apparatus provided with same | Kazuhumi Muto, Koki Watanabe, Keizo Ogara | 2004-12-28 |
| 6822767 | Image processing method and image processing apparatus | Ryuji Kawano, Yuji Kamiya | 2004-11-23 |
| 6801747 | Cleaning apparatus and image forming apparatus | Keizo Ogara, Koki Watanabe | 2004-10-05 |
| 6694122 | Cleaning device and image forming apparatus provided with same | Kazuhumi Muto, Koki Watanabe, Keizo Ogara | 2004-02-17 |
| 6636719 | Image forming apparatus with vibration-caused image defect prevention feature | Tsuyoshi Kunishi, Keizo Ogara | 2003-10-21 |
| 6542786 | Apparatus and method for feeding electronic components | Yoshinori Kano, Haruhiko Yamaguchi, Ikuo Takemura | 2003-04-01 |
| 6538678 | Image forming apparatus with development controller | Takahiro Nakase, Yuji Kamiya | 2003-03-25 |
| 6516161 | Image forming apparatus with surface potential detector | — | 2003-02-04 |
| 5438399 | Image forming apparatus having transfer voltage control | — | 1995-08-01 |
| 5406360 | Image forming apparatus with contact transfer member | — | 1995-04-11 |
| 5267005 | Heater having stepped portion and heating apparatus using same | Akira Yamamoto, Atsushi Hosoi, Kensaku Kusaka, Yoshiaki Kobayashi, Hidekazu Maruta +1 more | 1993-11-30 |
| 5182604 | Transfer roller with voltage polarity control | — | 1993-01-26 |
| 5150165 | Image forming apparatus having image transfer member | — | 1992-09-22 |
| 4814886 | Image processing process and apparatus therefor | Tsukasa Kuge, Takahiro Inoue, Yasushi Sato, Akio Suzuki, Yoshihiro Murasawa +1 more | 1989-03-21 |
| 4719489 | Recording apparatus having material feed mode dependent fixing control | Masaharu Ohkubo, Yasumasa Ohtsuka, Yoshihiro Murasawa | 1988-01-12 |
| 4626096 | Image forming apparatus for forming a visual image in accordance with image signals | Yasumasa Ohtsuka, Yoshihiro Murasawa, Hiroshi Sasame, Masaharu Ohkubo | 1986-12-02 |
| 4563694 | Image information recording apparatus | Masaharu Ohkubo, Yoshihiro Murasawa, Yasumasa Ohtsuka | 1986-01-07 |