Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922860 | Manufacturing inkjet head by adhering with epoxy resins and alkyl imidazole | Tomomi Yoshizawa, Sadatoshi Nishibuchi, Hajime Tanisho | 2011-04-12 |
| 7360867 | Adhesive agent and inkjet head and manufacturing method thereof | Tomomi Yoshizawa, Tadashi Hirano, Takeshi Ito, Hajime Tanisho | 2008-04-22 |
| 6895669 | Method of manufacturing an ink jet head | Takeshi Ito | 2005-05-24 |
| 6802598 | Ink jet head and production method of the same | Takeshi Ito, Hideo Watanabe | 2004-10-12 |
| 6560833 | Method of manufacturing ink jet head | Shinichi Nishi, Katsuaki Komatsu, Takao Yamaguchi, Kunihiro Yamauchi, Yoshio Takeuchi +3 more | 2003-05-13 |
| 6123994 | Ink-jet recording head and a production method of the same | Takeshi Ito, Hideo Watanabe | 2000-09-26 |
| 5701553 | Multi-color image forming apparatus having high developability without fogging and without mixing of colors | Isao Endo, Toru Komatsu, Yotaro Sato, Kunio Shigeta, Masahiro Onodera | 1997-12-23 |
| 5604573 | Developing unit with a smoothing plate | Isao Endo, Satoshi Haneda, Yotaro Sato | 1997-02-18 |
| 5602630 | Developing device | Isao Endo, Toru Komatsu, Yotaro Sato, Kunio Shigeta | 1997-02-11 |
| 5473416 | Developing apparatus | Isao Endou, Satoshi Haneda | 1995-12-05 |
| 5457522 | Charging unit with variable AC voltage | Satoshi Haneda, Kunio Shigeta, Sachie Hosogoezawa | 1995-10-10 |
| 5426489 | Image forming apparatus with a magnetic brush charger | Satoshi Haneda, Kunio Shigeta, Sachie Hosogoezawa, Masakazu Fukuchi | 1995-06-20 |
| 5381215 | Image forming apparatus having charger to charge image carrier with magnetic brush | Satoshi Haneda, Kunio Shigeta, Sachie Hosokoezawa, Masakazu Fukuchi, Shizuo Morita | 1995-01-10 |
| 5372906 | Image forming method | Satoshi Haneda | 1994-12-13 |
| 5367365 | Image forming apparatus with charger of image carrier using magnetic brush | Satoshi Haneda, Kunio Shigeta, Sachie Hosokoezawa, Masakazu Fukuchi, Shizuo Morita | 1994-11-22 |
| 5357323 | Magnetic brush charging device | Satoshi Haneda, Kunio Shigeta, Sachie Hosokoezawa, Masakazu Fukuchi, Shizuo Morita | 1994-10-18 |
| 5094930 | Electrophotographic photoreceptor | Katumi Matuura | 1992-03-10 |
| RE33724 | Photoreceptor having polycarbonate layers and process for the preparation thereof | Yoshiaki Takei, Katumi Matuura | 1991-10-22 |
| 5025272 | Dot exposure type image forming apparatus | Satoshi Haneda | 1991-06-18 |
| 4859554 | Multilayer photoreceptor | Toshinori Yamazaki, Eiichi Sakai, Tatsuo Nakanishi | 1989-08-22 |
| 4835080 | Photoreceptor having photosensitive layer comprising a brominated anthanthrone of specified x-ray spectrum | Yoshiaki Takei, Eiichi Kijima, Satoshi Goto | 1989-05-30 |
| 4794064 | Amorphous silicon electrophotographic receptor having controlled carbon and boron contents | Toshinori Yamazaki, Tatsuo Nakanishi | 1988-12-27 |
| 4755443 | Photoreceptor for electrophotography comprising a phthalocyanine and organic amine compound | Yasuo Suzuki, Yoshihide Fujimaki | 1988-07-05 |
| 4725521 | Carrier for developing electrostatic image | Kunio Shigeta, Jiro Takahashi, Kenzi Tsuzita | 1988-02-16 |
| 4677044 | Multi-layered electrophotographic photosensitive member having amorphous silicon | Toshinori Yamazaki, Eiichi Sakai, Tatsuo Nakanishi | 1987-06-30 |