Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10205844 | Light beam scanning device, image forming apparatus, and scanning line adjusting method | Shinsuke Miyake, Kazunori Watanabe, Shigeaki Imai | 2019-02-12 |
| 9772809 | Printed matter delivery system, image forming apparatus, and printed matter delivery apparatus | Kazunori Bannai, Yasuhisa Ehara, Daisuke Maeda, Yusuke Funayama, Keiichi Serizawa +2 more | 2017-09-26 |
| 8675035 | Image forming apparatus and optical scanning unit | Takeshi Yamakawa, Hiroshi Yoshizawa | 2014-03-18 |
| 8339435 | Image forming apparatus and optical scanning unit | Takeshi Yamakawa, Hiroshi Yoshizawa | 2012-12-25 |
| 7889409 | Optical scanning device and image forming apparatus using the same | — | 2011-02-15 |
| 7872664 | Optical scanning device including shutter member that closes or opens an emission window and image forming apparatus including the optical scanning device | Takeshi Yamakawa, Hiroshi Yoshizawa, Masanori Namba | 2011-01-18 |
| 7869101 | Image processing apparatus having enhanced controlling process for optical scanning unit | Takeshi Yamakawa, Hiroshi Yoshizawa | 2011-01-11 |
| 7760225 | Image forming apparatus, optical writing device, and housing molding method providing simple structure | Hiroshi Yoshizawa, Takeshi Yamakawa | 2010-07-20 |
| 7667726 | Optical writing unit and an image forming apparatus including the same | Takeshi Yamakawa, Hiroshi Yoshizawa | 2010-02-23 |
| 7535612 | Optical scanner and image forming apparatus including same | — | 2009-05-19 |
| 7508551 | Image reading apparatus | Osamu Takashima, Junichi Murano, Kazuyoshi Matsumoto, Toshiyuki Uchida | 2009-03-24 |
| 7414239 | Optical-scanning apparatus and image forming apparatus | Takeshi Yamakawa, Hiroshi Yoshizawa | 2008-08-19 |
| 7106990 | Image forming apparatus | Junichi Murano, Kazuyoshi Matsumoto, Osamu Takashima | 2006-09-12 |
| 6779975 | Duct fan unit | Osamu Takashima, Kazuyoshi Matsumoto, Junichi Murano, Kiyoshi Tsukamura, Toshiyuki Uchida | 2004-08-24 |
| 6725991 | Driving device and fixing device | Junichi Murano, Kazuyoshi Matsumoto, Osamu Takashima, Toshiyuki Uchida, Kiyoshi Tsukamura | 2004-04-27 |