Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11215938 | Optical writing device | Ryo Hasegawa, Takahiro Matsuo, Atsushi Nagaoka | 2022-01-04 |
| 11150590 | Exposure device and image forming apparatus | Takahiro Matsuo, Atsushi Nagaoka, Ryo Hasegawa | 2021-10-19 |
| 10620561 | Optical scanning device and image forming device | Shinya Saito, Ryo Hasegawa | 2020-04-14 |
| 10558034 | Optical scanning device and image forming apparatus | Ryo Hasegawa | 2020-02-11 |
| 10534298 | Displacement sensor and image forming device having the same | Masahiko Takahashi, Makoto Ooki, Wataru Senoo, Atsushi Nagaoka, Hidenari Tachibe +2 more | 2020-01-14 |
| 10425550 | Optical scanning device with duct for heat dissipation, and image forming device having the same | Ryo Hasegawa | 2019-09-24 |
| 9288366 | Optical scanning device and image forming apparatus | Hidenari Tachibe, Takafumi Yuasa, Yoshitaka Otani | 2016-03-15 |
| 8466948 | Optical scanning device including a plurality of light sources | — | 2013-06-18 |
| 7515168 | Laser scanning optical apparatus having exclusive optical elements at varying distances from receiving surfaces | Kenji Takeshita, Atsushi Ohata | 2009-04-07 |
| 6710905 | Tandem scanning optical device | Hirofumi Nishikiuchi, Kenji Takeshita, Tsukasa Sugiura, Hidenari Tachibe | 2004-03-23 |
| RE38278 | Surface acoustic wave device and production process thereof | Yoshio Satoh, Osamu Ikata, Hidema Uchishiba, Takashi Matsuda, Tokihiro Nishihara +1 more | 2003-10-21 |
| RE38002 | Process for providing a surface acoustic wave device | Yoshio Satoh, Osamu Ikata, Hidema Uchishiba, Takashi Matsuda, Tokihiro Nishihara +1 more | 2003-02-25 |
| 6011942 | Cylindrical rotating member having a support mechanism exhibiting little unevenness in rotation, and image forming apparatus | Tooru Watanabe, Ikuro Chimoto, Akihiro Nakamura, Masato Togami | 2000-01-04 |
| 5774962 | Process for producing a surface acoustic wave device | Yoshio Satoh, Osamu Ikata, Hidema Uchishiba, Takashi Matsuda, Tokihiro Nishihara +1 more | 1998-07-07 |
| 5773917 | Surface acoustic wave device and production process thereof | Yoshio Satoh, Osamu Ikata, Hidema Uchishiba, Takashi Matsuda, Tokihiro Nishihara +1 more | 1998-06-30 |
| 5077205 | Method for preparing cellobiose | Takashi Sasaki, Motomitsu Kitaoka | 1991-12-31 |
| 4908311 | Process for enzymatic preparation of cellooligosaccharides | Takashi Sasaki, Keiji Kainuma | 1990-03-13 |