Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7038228 | Image forming apparatus with specific document determining module and abnormality detection means | Yutaka Hasegawa, Hideaki Yamagata, Kazuhisa Ohtsubo, Mamoru Maeda | 2006-05-02 |
| 6949757 | Specific document determining apparatus including a microwave sensor | Yutaka Hasegawa, Hideaki Yamagata, Kazuhisa Ohtsubo, Mamoru Maeda | 2005-09-27 |
| 6696696 | Image forming apparatus with specific document module having a microwave sensor | Yutaka Hasegawa, Hideaki Yamagata, Kazuhisa Ohtsubo, Mamoru Maeda | 2004-02-24 |
| 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 |
| 6025603 | Specific document determining apparatus, image reading apparatus, specific document determining method, and a computer-readable recording medium with a program for execution of the method stored therein image reading apparatus having a specific document | Yutaka Hasegawa, Hideaki Yamagata, Kazuhisa Ohtsubo, Mamoru Maeda | 2000-02-15 |
| 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 |
| 5696365 | Bar code recording device for a paper media system | Ryo Tamai, Masakuni Kutsuwada | 1997-12-09 |
| 5659628 | Special-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating function | Michiyoshi Tachikawa, Shigeo Kurotaka, 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 | Michiyoshi Tachikawa, Shigeo Kurotaka, Yukio Sakano, Kouji Ishigaki, Hiromi Okubo +4 more | 1997-07-29 |
| 5642199 | Copier having a security function | Tadato Hashiguchi | 1997-06-24 |
| 5604596 | Copying apparatus having determination unit for special original and for controlling copying and marking based on determination | Yasuhiro Tabata | 1997-02-18 |
| 5602939 | Specific document discriminating apparatus and image reading apparatus using it therein | Tadato Hashiguchi | 1997-02-11 |
| 5444518 | Image forming apparatus which adds identification information to recorded images to prevent forgery | Tadato Hashiguchi, Michiyoshi Tachikawa, Yoshio Kaneko, Hiroshi Takahashi, Takashi Saitoh +5 more | 1995-08-22 |
| 4509732 | Document handling apparatus for producing folded and bound stacks of documents | Tadaaki Kanno, Yutaka Akahoshi, Katsuji Shibata | 1985-04-09 |