Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7684637 | Method, computer program, and apparatus for detecting specific information included in image data of original image with accuracy, and computer readable storing medium storing the program | Takashi Saitoh, Hiroshi Shimura, Haike Guan | 2010-03-23 |
| 7609851 | Embedding data into document and extracting embedded data from document | Haike Guan, Hiroshi Shimura, Takashi Saitoh, Hiroyuki Yoshida | 2009-10-27 |
| 7599081 | Detecting and protecting a copy guarded document | Hiroshi Shimura, Guan Haike, Takashi Saitoh, Hiroshi Arai | 2009-10-06 |
| 7548340 | Method, program, and apparatus for prohibiting a reproduction of an anti-copy document, and a medium storing the program | Haike Guan, Takashi Saitoh | 2009-06-16 |
| 7440137 | Apparatus, program, medium for image-area separation, image processing and image forming | Yasushi Abe, Takashi Saitoh | 2008-10-21 |
| 6798032 | Metal film pattern and manufacturing method thereof | Yoshihiro Izumi, Yoshimasa Chikama, Satoshi Kawashima, Takaharu Hashimoto, Itsuji Yoshikawa | 2004-09-28 |
| 6627544 | Method of making a metal film pattern | Yoshihiro Izumi, Yoshimasa Chikama, Satoshi Kawashima, Takaharu Hashimoto, Itsuji Yoshikawa | 2003-09-30 |
| 6513958 | Vehicle lamp system | — | 2003-02-04 |
| 6516424 | System for providing reliable and effective disaster relief | Shigeki Satomi, Taku Seki | 2003-02-04 |
| 6347384 | System for providing reliable and effective disaster relief | Shigeki Satomi, Taku Seki | 2002-02-12 |
| 6289131 | Method for encoding wavelet coefficients | — | 2001-09-11 |
| 5993033 | Levelling apparatus for vehicle lamp | Atsushi Sugimoto | 1999-11-30 |
| 5655178 | Electrophotographic apparatus having cleaning device and developing device configured to prevent toner leakage | Michihisa Iguchi, Hiroshi Hashizume, Tetsuya Nakamura, Kouichirou Satou, Yoshiaki Okano +6 more | 1997-08-05 |
| 5594415 | Display device for a vehicle | Masao Yamada | 1997-01-14 |
| 5497224 | Image forming apparatus | Seiji Arai, Michihisa Iguchi | 1996-03-05 |
| 5488462 | Electrophotographic apparatus having developing device with seals for preventing toner leakage | Michihisa Iguchi, Hiroshi Hashizume, Tetsuya Nakamura, Kouichirou Satou, Yoshiaki Okano +6 more | 1996-01-30 |
| 5463370 | Display device for a vehicle | Masao Yamada | 1995-10-31 |
| 5426294 | Glare sensor for a vehicle | Shoji Kobayashi, Toshihisa Hayami | 1995-06-20 |
| 5412543 | Variable light distribution type headlamp | Shoji Kobayashi, Hirohiko Ohshio, Hideki Uchida | 1995-05-02 |
| 5379196 | Projection headlamp for vehicles | Shoji Kobayashi, Toshihisa Hayami | 1995-01-03 |
| 5373424 | Automotive projection headlamp | — | 1994-12-13 |
| 5343371 | Vehicular projection-type headlamp | Shoji Kobayashi | 1994-08-30 |
| 5339226 | Projection head lamp for cars | — | 1994-08-16 |
| 5188057 | Developing apparatus | Michihisa Iguchi, Hiroshi Hashizume, Yasuo Fujii, Tetsuya Nakamura, Hirotaka Fukuyama +7 more | 1993-02-23 |
| 5143442 | Portable projection device | Masao Yamada | 1992-09-01 |