Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11231074 | Clutch device | Kenichiro Takahashi, Katsu Yoshimoto | 2022-01-25 |
| 10781865 | Power transmitting apparatus | Junichi Nishikawa, Naoki Kishimoto, Yuki Kobayashi | 2020-09-22 |
| 7637502 | Sheet processing apparatus with branching paths for post-processing | Hironobu Ata, Atsushi Ogata, Hiroharu Tsuji | 2009-12-29 |
| 7630681 | Sheet processing apparatus and image forming apparatus | Takashi Kuwata, Masayoshi Fukatsu, Hironobu Ata, Yasuyoshi Hayakawa | 2009-12-08 |
| 7607651 | Sheet processing apparatus and image forming apparatus | Takashi Kuwata, Yasuyoshi Hayakawa | 2009-10-27 |
| 7386271 | Sheet processing apparatus and image forming apparatus | Takashi Kuwata, Masayoshi Fukatsu, Hironobu Ata, Yasuyoshi Hayakawa | 2008-06-10 |
| 7341248 | Sheet processing apparatus and image forming apparatus | Takashi Kuwata, Yasuyoshi Hayakawa | 2008-03-11 |
| 7226050 | Discharge sheet stacking apparatus and image forming apparatus provided with the same | Junichi Sekiyama, Yasuyoshi Hayakawa, Takashi Kuwata, Atsushi Ogata, Masayoshi Fukatsu +1 more | 2007-06-05 |
| 7077395 | Sheet after-treatment device and image forming apparatus equipped with the device | Hironobu Ata, Yasuyoshi Hayakawa, Takashi Kuwata, Masayoshi Fukatsu | 2006-07-18 |
| 6973285 | Discharge sheet stacking apparatus and image forming apparatus provided with the same | Junichi Sekiyama, Yasuyoshi Hayakawa, Takashi Kuwata, Atsushi Ogata, Masayoshi Fukatsu +1 more | 2005-12-06 |
| 6942206 | Sheet treating apparatus and image forming apparatus having the same | Takashi Kuwata, Yasuyoshi Hayakawa, Masayoshi Fukatsu, Junichi Sekiyama | 2005-09-13 |
| 6912044 | Sheet post-processing device and image forming apparatus having the device | Junichi Sekiyama, Takashi Kuwata, Masayoshi Fukatsu | 2005-06-28 |
| 6735415 | Sheet postprocessing apparatus and image forming apparatus | Yasuyoshi Hayakawa, Takashi Kuwata, Masayoshi Fukatsu, Junichi Sekiyama | 2004-05-11 |
| 6722646 | Sheet treating apparatus and image forming apparatus | Junichi Sekiyama, Yasuyoshi Hayakawa, Takashi Kuwata, Masayoshi Fukatsu, Hironobu Ata | 2004-04-20 |
| 6661995 | Sheet processing apparatus and image forming apparatus provided with the same | Yasuyoshi Hayakawa, Takashi Kuwata, Masayoshi Fukatsu, Junichi Sekiyama | 2003-12-09 |
| 6643480 | Image forming apparatus with demountable sheet conveyor unit in main body for receiving sheets from optional sheet stack connectable thereto | Takashi Kuwata, Kiyoharu Yoshioka, Yasuhiro Uchida, Makoto Izumi, Minoru Kawanishi +1 more | 2003-11-04 |
| 6527267 | Sheet conveying apparatus, sheet feeding apparatus, and image forming apparatus | Takashi Kuwata, Yasuhiro Uchida, Makoto Izumi, Minoru Kawanishi | 2003-03-04 |