Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7283755 | Remaining toner detection apparatus and image forming apparatus provided with same | Yasuyuki Ishiguro, Hideaki Kurimoto, Kiyofumi Morimoto | 2007-10-16 |
| 7177577 | Particles supply apparatus and image forming apparatus | Yasuyuki Ishiguro, Hiroshi Kubota, Takeshi Takayama, Jun Yamaguchi | 2007-02-13 |
| 6421517 | Toner supply device with rotatable agitating element | Toshio Nishino, Yasuyuki Ishiguro, Masatoshi Kaneshige, Hiroshi Tanisawa, Haruko Yoneda +4 more | 2002-07-16 |
| 6314262 | Toner supply system and toner cartridge | Hisashi Kunihiro, Fumito Mizoguchi, Kenichi Nagata, Yoshiki Ichikawa | 2001-11-06 |
| 6192212 | Image forming apparatus | Hisashi Kunihiro, Takahiro Kimura | 2001-02-20 |
| 5408303 | Positioning mechanism for a cleaning device provided in an image forming apparatus | Yasuyuki Fukunaga, Hideki Kita, Toshimitsu Takeuchi | 1995-04-18 |
| 5390009 | Developing device | Yasuyuki Fukunaga | 1995-02-14 |
| 5379096 | Developing device | Yasuyuki Fukunaga | 1995-01-03 |
| 5311260 | Developing device | Yasuyuki Fukunaga | 1994-05-10 |
| 5296328 | Magnetic brush development process | Kazuo Fuji, Naruo Yabe, Akihiro Watanabe, Yoshihisa Kuramae, Toshio Nishio +3 more | 1994-03-22 |
| 5202730 | Developing process using two-component type magnetic developer | Kazuo Fuji, Noriaki Tsubota, Masahiko Kubo, Kazuhisa Edahiro | 1993-04-13 |
| 5182584 | Multicolor developing device with improved movable frame arrangement | Yasuyuki Fukunaga, Hideki Kita, Toru Taniguchi, Hidehiro Fukui, Yoshinobu Takemura | 1993-01-26 |
| 5023670 | Developing apparatus having developing units with a sliding member contacting a guide member | Hideki Kita, Hidehiro Fukui, Hiroyuki Deguchi | 1991-06-11 |
| 4931836 | Scanning optical device having at least one reciprocating optical assembly | Tetsuya Matsushita | 1990-06-05 |
| 4862218 | Support and adjusting apparatus for an optical unit | Arihiro Tsunoda, Kikunosuke Tsuji, Tetsuya Matsushita | 1989-08-29 |
| 4814833 | Document size detecting device | Tetsuya Matsushita, Kikunosuke Tsuji, Kiyoshi Morimoto, Hideaki Tsudaka, Hiroshi Kobayashi +1 more | 1989-03-21 |