Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942206 | Sheet treating apparatus and image forming apparatus having the same | Takashi Kuwata, Yasuyoshi Hayakawa, Kenichiro Isobe, Junichi Sekiyama | 2005-09-13 |
| 6930805 | Image reading apparatus | Tomoyuki Araki, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Atsushi Ogata, Junichi Sekiyama | 2005-08-16 |
| 6917451 | Image reading apparatus | Tsuyoshi Waragai, Yasuyoshi Hayakawa | 2005-07-12 |
| 6912044 | Sheet post-processing device and image forming apparatus having the device | Junichi Sekiyama, Takashi Kuwata, Kenichiro Isobe | 2005-06-28 |
| 6733007 | Sheet material conveying device; image forming apparatus and sheet processing device | Junichi Sekiyama, Yasuyoshi Hayakawa, Tomoyuki Araki | 2004-05-11 |
| 6735415 | Sheet postprocessing apparatus and image forming apparatus | Kenichiro Isobe, Yasuyoshi Hayakawa, Takashi Kuwata, Junichi Sekiyama | 2004-05-11 |
| 6722646 | Sheet treating apparatus and image forming apparatus | Junichi Sekiyama, Yasuyoshi Hayakawa, Takashi Kuwata, Kenichiro Isobe, Hironobu Ata | 2004-04-20 |
| 6661995 | Sheet processing apparatus and image forming apparatus provided with the same | Kenichiro Isobe, Yasuyoshi Hayakawa, Takashi Kuwata, Junichi Sekiyama | 2003-12-09 |
| 6637996 | Bookbinding apparatus, adhesive cartridge, and image forming apparatus | Yasuyoshi Hayakawa, Tsuyoshi Waragai, Tomoyuki Araki, Atsushi Ogata, Junichi Sekiyama | 2003-10-28 |
| 6561503 | Sheet processing device with stack alignment | Atsushi Ogata, Teruo Komatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Tomoyuki Araki | 2003-05-13 |
| 6534761 | Image reader with a closed-state detector and image forming apparatus using same | Yasuyoshi Hayakawa, Tsuyoshi Waragai, Tomoyuki Araki | 2003-03-18 |
| 6382616 | Aligning device for sheet finisher | Tsuyoshi Waragai, Teruo Komatsu, Yasuyoshi Hayakawa, Tomoyuki Araki, Atsushi Ogata | 2002-05-07 |
| 6382614 | Sheet processing apparatus and image forming apparatus | Teruo Komatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Tomoyuki Araki, Atsushi Ogata | 2002-05-07 |
| 6325371 | Sheet conveying apparatus with conveying path changing device and sorter | Tomoyuki Araki, Teruo Komatsu, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Atsushi Ogata | 2001-12-04 |
| 6318718 | Image forming apparatus and sheet stacking device with lifter | Atsushi Ogata, Yasuyoshi Hayakawa, Tsuyoshi Waragai, Tomoyuki Araki | 2001-11-20 |
| 6302606 | Sheet receiving/stacking device, and image forming apparatus having the same | Yasuyoshi Hayakawa, Teruo Komatsu, Tsuyoshi Waragai, Tomoyuki Araki, Atsushi Ogata | 2001-10-16 |