Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769310 | Image forming apparatus with improved separability of transfer material | Hirokazu Ishii, Satoshi Takano, Hiroshi Saitoh, Ryoh Tanoue, Yuji Suzuki +3 more | 2010-08-03 |
| 7184678 | Image forming apparatus with improved separatability of transfer material | Hirokazu Ishii, Satoshi Takano, Hiroshi Saitoh, Ryoh Tanoue, Yuji Suzuki +3 more | 2007-02-27 |
| 6859630 | Image transferring and recording medium conveying device and image forming apparatus including the same | Ryoh Tanoue | 2005-02-22 |
| 6525753 | Image forming apparatus having developing device including developing rollers with differing flux density and optical writing device using xonality data of four levels or less | — | 2003-02-25 |
| 6173148 | Image forming apparatus with a transfer member having an inherent volume resistance less than that of an inner layer of a transport support element | Chiemi Kaneko, Ryou Tanoue | 2001-01-09 |
| 6002905 | Belt transfer device for an image forming apparatus | — | 1999-12-14 |
| 5978617 | Image transferring device for image forming equipment | Satoshi Takano, Yuko Harasawa | 1999-11-02 |
| 5897241 | Image transferring device for image forming equipment | Satoshi Takano, Yuko Harasawa | 1999-04-27 |
| 5812919 | Image transferring device for an image forming apparatus | Satoshi Takano, Yuko Hayama, Hirokazu Ishii, Akio Kutsuwada, Haruji Mizuishi +1 more | 1998-09-22 |
| 5666622 | Image transferring device and medium separating device for an image forming apparatus | Yuko Harasawa, Satoshi Takano, Hideo Yu, Yasunori Kawaishi, Hideki Kamiyama +3 more | 1997-09-09 |
| 5659843 | Image transferring device for image forming equipment | Satoshi Takano, Yuko Harasawa, Hitoshi Ishibashi, Masumi Sato, Megumi Otoshi | 1997-08-19 |
| 5640660 | Image transferring device for image forming equipment | Satoshi Takano, Yuko Harasawa | 1997-06-17 |
| 5631725 | Image transfer device for an image forming apparatus | Yuko Harasawa, Satoshi Takano, Akio Kutsuwada, Hirokazu Ishii | 1997-05-20 |
| 5557384 | Image transferring device for image forming equipment | Satoshi Takano, Yuko Harasawa | 1996-09-17 |
| 5495317 | Image transfer device for an image forming apparatus | Satoshi Takano, Yuko Harasawa | 1996-02-27 |
| 5461461 | Image transferring device and medium separating device for an image forming apparatus | Yuko Harasawa, Satoshi Takano, Hideo Yu, Yasunori Kawaishi, Hideki Kamiyama +3 more | 1995-10-24 |
| 5189479 | Image transferring device for a color image recorder | Hiroyuki Ohkaji | 1993-02-23 |
| 4984024 | Image transfer unit for image recording apparatus | Hiroyuki Ohkaji, Masato Yanagida | 1991-01-08 |
| 4916547 | Color image forming apparatus | Akio Katsumata, Mitsuo Hasebe, Yoshihiro Mitekura, Hiroshi Hosaka, Kotaro Yonenaga +2 more | 1990-04-10 |
| 4745282 | Ventilated corona charging | Kazuaki Tagawa, Izumi Tagoku | 1988-05-17 |