Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466247 | Timing control of light beam scan | Takao Sugano | 2002-10-15 |
| 6191804 | Image forming apparatus | Fumio Kaneko, Takao Sugano, Hiroyuki Matsuo, Masayuki Iwasa, Mitsuaki Takeguchi +2 more | 2001-02-20 |
| 5933184 | Color image forming device | Masahide Ishigami, Kouichi Takemura, Satoru Kobayashi, Jun Hirabayashi | 1999-08-03 |
| 5764270 | Image forming apparatus with a plurality of image forming units | Kouichi Takemura, Masahide Ishigami, Satoru Kobayashi, Takao Sugano, Mitsuaki Takeguchi +1 more | 1998-06-09 |
| 5095319 | Optical scanning with light quantity compensation | Shinichi Watarai, Yoji Houki | 1992-03-10 |
| 4968108 | Method for constructing and reconstructing hologram | Hiroyuki Ikeda, Fumio Yamagishi, Masayuki Kato, Takefumi Inagaki | 1990-11-06 |
| 4655541 | Hologram scanner | Kozo Yamazaki, Fumio Yamagishi, Hiroyuki Ikeda, Takefumi Inagaki, Ichiro Sebata +2 more | 1987-04-07 |
| 4639070 | Beam scanning type information readout device | Hiroyuki Ikeda, Seikichi Matsumoto, Takefumi Inagaki, Ichiro Sebata | 1987-01-27 |
| 4200461 | Xanthene type acid dye and a base dye-sensitized zinc oxide photoconductive element | Kohei Kiyota, Hiroo Ueda, Kunihiko Tasai | 1980-04-29 |