Issued Patents All Time
Showing 51–75 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7161707 | Digital printer | Tsumoru Fukushima, Takeshi Ito, Yoshiyasu Kado | 2007-01-09 |
| 6937259 | Image forming device and recording intermediate belt mounting jig | Kenji Sasaki, Yoshihiro Yokoyama, Kazuyuki Takahashi, Tetsuya Morita | 2005-08-30 |
| 6937356 | Digital imaging system | Masanori Ito, Shigeo Sakaue, Michiharu Uematsu, Tsumoru Fukushima | 2005-08-30 |
| 6791984 | Dynamic band-allocating subscriber-line-terminating apparatus | Nagao Shimada, Tomohiro Shinomiya, Masatake Miyabe | 2004-09-14 |
| 6741766 | Optical switch device | Kazuyuki Tajima | 2004-05-25 |
| 6658009 | Band allocation method and transmission system for transmitting variable-length packets | Masatake Miyabe, Tomohiro Shinomiya, Kazuyuki Tajima, Masamichi Kasa | 2003-12-02 |
| RE37401 | Fault recovery system of a ring network | Yuji Takizawa, Kazuo Yamaguchi | 2001-10-02 |
| 6101271 | Gradation correction method and device | Hideshi Ishihara, Yasuki Matsumoto | 2000-08-08 |
| 6095706 | Writing instrument operated by a finger at a holding position | Yasuyuki Hashimoto | 2000-08-01 |
| 5940530 | Backlit scene and people scene detecting method and apparatus and a gradation correction apparatus | Tsumoru Fukushima, Katsuhiro Kanamori | 1999-08-17 |
| 5808653 | Thermal gradation printing apparatus | Yasuki Matsumoto, Hideshi Ishihara | 1998-09-15 |
| 5784499 | Method for reducing noise in image signals and apparatus therefor | Yasuhiro Kuwahara, Tsumoru Fukushima | 1998-07-21 |
| 5771048 | Font conversion device | Takahiko Nankou | 1998-06-23 |
| 5742348 | Spatial frequency adaptive field--interpolation method and apparatus therefor | Yasuhiro Kuwahara, Tsumoru Fukushima | 1998-04-21 |
| 5715377 | Gray level correction apparatus | Tsumoru Fukushima, Katsuhiro Kanamori | 1998-02-03 |
| 5703968 | Method and apparatus for detecting interpolation line | Yasuhiro Kuwahara, Tsumoru Fukushima | 1997-12-30 |
| 5691779 | Color conversion apparatus that restricts the color reproduction range of primary color signals | Tsumoru Fukushima | 1997-11-25 |
| 5661575 | Gradation correction method and device | Hideshi Ishihara, Yasuki Matsumoto | 1997-08-26 |
| 5644351 | Thermal gradation printing apparatus | Yasuki Matsumoto, Hideshi Ishihara | 1997-07-01 |
| 5619280 | Color conversion apparatus that restricts the color reproduction range of primary color signals | Tsumoru Fukushima | 1997-04-08 |
| 5570436 | Method for interpolating missing pixels and an apparatus employing the method | Tsumoru Fukushima, Hiroshi Onishi | 1996-10-29 |
| 5568467 | Information recording format having a plurality of bands with independent read and write control data | Masahiro Inagaki, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1996-10-22 |
| 5559530 | Image data processing apparatus | Masami Matsumiya, Tsumoru Fukushima | 1996-09-24 |
| 5541668 | Filter for reducing a noise component of a chrominance signal and chrominance signal noise component reducing method | Yasuhiro Kuwahara, Tsumoru Fukushima | 1996-07-30 |
| 5539443 | Printer utilizing temperature evaluation and temperature detection | Yoshihiro Mushika, Yasuki Matsumoto | 1996-07-23 |