Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8962866 | Surface-modified silica powder and method for producing the same, as well as toner composition for electrophotography | Yuki Amano, Naohiro Naito, Masaki Okubo, Yoshikazu Aoki, Hideyuki Otsuka | 2015-02-24 |
| 8309288 | Color toner and preparation method thereof | Mitsuru Oikawa | 2012-11-13 |
| 7702259 | Multi-pass image forming apparatus and image forming method using the same for providing plural print modes with different numbers of passes depending on desired print speed and image quality | Jong-moon Eun, Hyun-Cheol Lee, Won-hee Choe, Hyun-wook Bae, Won-Wook Lee +2 more | 2010-04-20 |
| 7574164 | Developing device and electrophotographic apparatus using the same | Hiroyuki Mabuchi, Teruaki Mitsuya, Tsuneaki Kawanishi, Akio Tsujita | 2009-08-11 |
| 7106983 | Color image forming apparatus | Masayoshi Nakayama, Teruaki Mitsuya, Keisuke Kubota, Takashi Rokutanda | 2006-09-12 |
| 7090956 | Image forming method and image forming apparatus | Katsuhiko Suzuki, Masami Ishikawa, Tsuneaki Kawanishi, Teruaki Mitsuya, Masayoshi Ishii | 2006-08-15 |
| 6954604 | Electronic photographing apparatus | Masayoshi Nakayama | 2005-10-11 |
| 6829449 | Image forming apparatus with transfer bias inverting function | Hiroyoshi Matsumoto, Teruaki Mitsuya, Tsuneaki Kawanishi, Natsuki Kuribayashi, Masayoshi Ishii +1 more | 2004-12-07 |
| 6815658 | Testing circuit for charge detection circuit, LSI, image sensor, and testing method for the charge detection circuit | Masayuki Takahashi, Hiroaki Ogawa | 2004-11-09 |
| 6813462 | Electro-photographic developing unit | Teruaki Mitsuya, Tsuneaki Kawanishi, Masayoshi Ishii, Hiroyoshi Matsumoto, Keisuke Kubota +1 more | 2004-11-02 |
| 6797932 | Charge amount detection circuit and two-dimensional image sensor using same | Masayuki Takahashi | 2004-09-28 |
| 6556229 | Electrophotographic apparatus having a fringe development preventing mechanism | Teruaki Mitsuya, Nobuyoshi Hoshi, Yoshihiko Sano, Shinichi Akatsu, Shinya Kobayashi | 2003-04-29 |
| 6509895 | Voltage generating circuit, and common electrode drive circuit, signal line drive circuit and gray-scale voltage generating circuit for display devices | Toshihiro Yanagi, Tadatsugu Nishitani, Yuji Yamamoto, Takeshi Takarada | 2003-01-21 |
| 6507715 | Image forming apparatus having developing supporters | — | 2003-01-14 |
| 6487384 | Image forming electrophotography apparatus and magnetic developing unit | Hiroyuki Mabuchi, Teruaki Mitsuya, Shinya Kobayashi, Yasuo Takuma, Masayoshi Ishii +1 more | 2002-11-26 |
| 6480691 | Developing roll, developing device using the same and electrophotographic apparatus | — | 2002-11-12 |
| 6433765 | Liquid crystal display | Kouji Fujiwara, Tomohiko Yamamoto, Keiichi Tanaka, Naoto Inoue, Hideki Ichioka | 2002-08-13 |
| 6345163 | Developing device for image forming apparatus | Katsuhiko Suzuki, Takao Umeda | 2002-02-05 |
| 6310616 | Voltage generating circuit, and common electrode drive circuit signal line drive circuit and gray-scale voltage generating circuit for display device | Toshihiro Yanagi, Tadatsugu Nishitani, Yuji Yamamoto, Takeshi Takarada | 2001-10-30 |
| 6297813 | Driving circuit for display device | Sunao Etoh | 2001-10-02 |
| 6288697 | Method and circuit for driving display device | Sunao Eto | 2001-09-11 |
| 6172663 | Driver circuit | Yuji Yamamoto, Sunao Etou | 2001-01-09 |
| 6131000 | Electrophotographic printing apparatus using electric potential dividing development | Shinichi Akatsu, Teruaki Mitsuya, Kenichi Ito, Nobuyoshi Hoshi, Ryuuichi Shimizu +3 more | 2000-10-10 |
| 6118421 | Method and circuit for driving liquid crystal panel | Takafumi Kawaguchi, Toshihiro Yanagi, Makoto Takeda | 2000-09-12 |
| 6061534 | Two-color image forming apparatus that prevents fringe development | Teruaki Mitsuya, Shinichi Akatsu | 2000-05-09 |