Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9172931 | Projection display device, information processing device, projection display system, and program | Fumihiro Hasegawa, Toshio Miyazawa | 2015-10-27 |
| 7140534 | Data recording medium, reading device, recording device, and methods thereof | Toshio Miyazawa, Hideaki Yamagata, Hiroshi Shimura, Hiroaki Nagatsuka | 2006-11-28 |
| 6862370 | Image detecting method, image detecting system, program, and recording medium for image detection | Hideaki Yamagata, Toshio Miyazawa, Hiroshi Shimura, Miwa Kawano | 2005-03-01 |
| 6272248 | Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system | Takashi Saitoh, Hiroshi Takahashi, Yoshio Kaneko, Shigeo Kurotaka, Toshiya Hikita +11 more | 2001-08-07 |
| 6256412 | Image recognition method and apparatus using image rotation information | Toshio Miyazawa, Mayumi Nishimura | 2001-07-03 |
| 6226417 | Method and system for recognizing a rotated image pattern with reduced processing time and memory space | Hideaki Yamagata, Tatsuya Kuranaga, Akihiko Hirano | 2001-05-01 |
| 6181820 | Image extraction method and apparatus and image recognition method and apparatus for extracting/recognizing specific images from input image signals | Toshio Miyazawa, Akihiko Hirano | 2001-01-30 |
| 6115495 | Image extraction method and apparatus, and image recognition method and apparatus for extracting/recognizing specific images from input image signals | Toshio Miyazawa, Akihiko Hirano | 2000-09-05 |
| 5757957 | Apparatus and method for area separation for image, having improved separation accuracy | — | 1998-05-26 |
| 5751854 | Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system | Takashi Saitoh, Hiroshi Takahashi, Yoshio Kaneko, Shigeo Kurotaka, Toshiya Hikita +11 more | 1998-05-12 |
| 5659628 | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Shigeo Kurotaka, Takeshi Ukai, Yukio Sakano, Kouji Ishigaki, Hiromi Okubo +4 more | 1997-08-19 |
| 5652803 | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Shigeo Kurotaka, Takeshi Ukai, Yukio Sakano, Kouji Ishigaki, Hiromi Okubo +4 more | 1997-07-29 |
| 5444518 | Image forming apparatus which adds identification information to recorded images to prevent forgery | Tadato Hashiguchi, Takeshi Ukai, Yoshio Kaneko, Hiroshi Takahashi, Takashi Saitoh +5 more | 1995-08-22 |
| 5351313 | Binarization method | Goroh Bessho | 1994-09-27 |
| 5097520 | Method of obtaining optimum threshold values | Goroh Bessho | 1992-03-17 |
| 5048107 | Table region identification method | — | 1991-09-10 |
| 5031225 | Character recognition method for recognizing character in an arbitrary rotation position | Masayuki Ishigami, Hiroyoshi Ishizaki, Hiroshi Nakayama | 1991-07-09 |
| 4959870 | Character recognition apparatus having means for compressing feature data | — | 1990-09-25 |
| 4903313 | Character recognition method | — | 1990-02-20 |