Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D526276 | Housing for an optical connector | Makoto Shiraishi | 2006-08-08 |
| D520449 | Optical add-drop multiplexer | Makoto Shiraishi, Keiji Sakaguchi | 2006-05-09 |
| D520450 | Optical add-drop multiplexer | Makoto Shiraishi, Kentaro Hayashi | 2006-05-09 |
| 7039235 | Ruled line extracting apparatus for extracting ruled line from normal document image and method thereof | — | 2006-05-02 |
| 7036997 | Optical module | Makoto Shiraishi, Kentaro Hayashi | 2006-05-02 |
| 6990235 | Color image processing apparatus and pattern extracting apparatus | — | 2006-01-24 |
| 6975762 | Ruled line extracting apparatus for extracting ruled line from normal document image and method thereof | — | 2005-12-13 |
| 6928188 | Ruled line extracting apparatus for extracting ruled line from normal document image and method thereof | — | 2005-08-09 |
| 6917706 | Ruled line extracting apparatus for extracting ruled line from normal document image and method thereof | — | 2005-07-12 |
| 6771813 | Image processing apparatus and pattern extraction apparatus | — | 2004-08-03 |
| 6754385 | Ruled line extracting apparatus for extracting ruled line from normal document image and method thereof | — | 2004-06-22 |
| 6721463 | Apparatus and method for extracting management information from image | Satoshi Naoi, Hiroaki Takebe | 2004-04-13 |
| 6704450 | Apparatus and method for extracting management information from image | Satoshi Naoi, Hiroaki Takebe | 2004-03-09 |
| 6701010 | Color image processing apparatus and pattern extracting apparatus | — | 2004-03-02 |
| 6327387 | Apparatus and method for extracting management information from image | Satoshi Naoi, Hiroaki Takebe | 2001-12-04 |
| 6226402 | Ruled line extracting apparatus for extracting ruled line from normal document image and method thereof | — | 2001-05-01 |
| 6035061 | Title extracting apparatus for extracting title from document image and method thereof | Satoshi Naoi | 2000-03-07 |
| 5809180 | Data conversion system for line-narrowing a pattern | Masayuki Kimura, Hirotomo Aso, Kenji Suzuki, Hisayoshi Hayasaka, Yoshiyuki Sakurai | 1998-09-15 |
| 5671308 | Optical waveguide having diffraction grating area and method of fabricating the same | Akira Inoue, Yasuji Hattori, Katsuya Yamashita, Fumio Ohtsuki | 1997-09-23 |
| 5625710 | Character recognition apparatus using modification of a characteristic quantity | Hiroshi Iwaki, Takafumi Edanami, Noriyuki Fukuyama | 1997-04-29 |
| 5506674 | Method for identifying an optical fiber using a pattern of reflected light | Akira Inoue, Yasuji Hattori, Katsuya Yamashita, Fumio Ohtsuki | 1996-04-09 |
| 5436982 | Data processing system | Masayuki Kimura, Hirotomo Aso, Shin'ichiro Ohmachi, Kenji Suzuki, Hisayoshi Hayasaka +1 more | 1995-07-25 |
| 5348564 | Method for manufacturing a hermetically coated optical fiber | Haruhiko Aikawa, Katsuya Nagayama, Yoichi Ishiguro, Ichiro Yoshimura, Nobuyuki Yoshizawa | 1994-09-20 |
| 5281247 | Method for producing hermetic coated optical fiber | Haruhiko Aikawa, Yoichi Ishiguro, Katsuya Nagayama, Ichiro Yoshimura, Nobuyuki Yoshizawa | 1994-01-25 |
| 5214717 | Pattern recognition data processing device using an associative matching method | Masayuki Kimura, Hirotomo Aso, Kenji Suzuki, Hisayoshi Hayasaka, Yoshiyuki Sakurai | 1993-05-25 |