Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6173113 | Machine readable information recording medium having audio gap information stored therein for indicating a start time and duration of an audio presentation discontinuous period | Tomoyuki Okada, Yoshihiro Mori, Kazuhiro Tsuga, Hiroshi Hamasaka, Kazuhiko Nakamura +1 more | 2001-01-09 |
| 6101271 | Gradation correction method and device | Haruo Yamashita, Yasuki Matsumoto | 2000-08-08 |
| 5905845 | Method disk and an apparatus for system encoding of bitstreams including plural system streams to be seamlessly reproduced | Tomoyuki Okada, Yoshihiro Mori, Kazuhiro Tsuga, Hiroshi Hamasaka, Kazuhiko Nakamura +1 more | 1999-05-18 |
| 5808653 | Thermal gradation printing apparatus | Yasuki Matsumoto, Haruo Yamashita | 1998-09-15 |
| 5661575 | Gradation correction method and device | Haruo Yamashita, Yasuki Matsumoto | 1997-08-26 |
| 5644351 | Thermal gradation printing apparatus | Yasuki Matsumoto, Haruo Yamashita | 1997-07-01 |
| 5513281 | Interpolation method and apparatus by correlation detection using fuzzy inference | Haruo Yamashita, Tsumoru Fukushima | 1996-04-30 |
| 5485532 | Image processing device and method thereof | — | 1996-01-16 |
| 5448379 | Method and apparatus for forming color images by converting a color signal to a further color density signal | Haruo Yamashita, Yasuki Matsumoto | 1995-09-05 |
| 5422738 | Color image forming method and an apparatus employed therefor, and a correction factor determining method | Haruo Yamashita, Yasuki Matsumoto | 1995-06-06 |
| 5390264 | Image processing method for correcting a target pixel using emphasizing and smoothing components | Haruo Yamashita, Tsumoru Fukushima | 1995-02-14 |
| 5349373 | Thermal head drive unit | Yasuki Matsumoto, Haruo Yamashita, Yoshihiro Mushika | 1994-09-20 |
| 5347599 | Adaptive interpolation method and apparatus using correlation detection | Haruo Yamashita, Tsumoru Fukushima | 1994-09-13 |
| 5315381 | Color image forming apparatus | Haruo Yamashita, Yasuki Matsumoto | 1994-05-24 |
| 5296920 | Color gradation correction method and apparatus | Shigeo Sakaue, Susumu Maruno, Haruo Yamashita, Yasuki Matsumoto | 1994-03-22 |
| 5237625 | Image contour enhancing device | Haruo Yamashita, Yasuki Matsumoto | 1993-08-17 |
| 5067161 | Image recognition device | Kazuo Mikami, Masahiro Nishimura, Noriyuki Tsukiyama, Seisuke Hinoda | 1991-11-19 |
| 5058181 | Hardware and software image processing system | Satoshi Yoneda, Hiroshi Nakamoto, Hidenori Kurioka, Hitosi Naitoh | 1991-10-15 |
| 4963927 | Electrophotographic recording apparatus having a developer resupply control function | — | 1990-10-16 |