Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471549 | Method of detecting and correcting a direction of image data and document image filing system employing the same | Yasuo Kurosu, Hidefumi Masuzaki | 1995-11-28 |
| 5469354 | Document data processing method and apparatus for document retrieval | Atsushi Hatakeyama, Kanji Kato, Hisamitsu Kawaguchi, Naoki Minegishi, Katsumi Tada +1 more | 1995-11-21 |
| 5452451 | System for plural-string search with a parallel collation of a first partition of each string followed by finite automata matching of second partitions | Mitsuru Akizawa, Hisamitsu Kawaguchi, Kanji Kato, Atsushi Hatakeyama, Kouki Noguchi | 1995-09-19 |
| 5404506 | Knowledge based information retrieval system | David Cohn, Atsushi Hatakeyama, Itsuko Kiuchi | 1995-04-04 |
| 5390034 | Color image processing method and apparatus with chrominance emphasizing process | Tatsuya Murakami, Eiichi Hadano, Kazuyuki Kodama, Kazunori Kinoshita, Masaaki Fujinawa | 1995-02-14 |
| 5388167 | Document image processing system and document image processing method | Masashi Koga, Hiroshi Sakou, Masaaki Fujinawa, Tatsuya Murakami, Yoshihiro Shima +4 more | 1995-02-07 |
| 5278981 | Character stream search apparatus using a finite state automation | Hisamitsu Kawaguchi, Kanji Kato, Masaaki Fujinawa, Atsushi Hatakeyama | 1994-01-11 |
| 5268771 | Image restoration processing system and method | Tatsuya Murakami, Eiichi Hadano, Masaaki Fujinawa, Kazunori Kinoshita | 1993-12-07 |
| 5265242 | Document retrieval system for displaying document image data with inputted bibliographic items and character string selected from multiple character candidates | Atsushi Hatakeyama, Yasuaki Nakano, Junichi Higashino, Toshihiro Hananoi | 1993-11-23 |
| 5235653 | Document analysis system | Yasuaki Nakano, Kunihiro Okada, Osamu Kunisaki, Toshitsugu Ozaki | 1993-08-10 |
| 5235681 | Image filing system for protecting partial regions of image data of a document | Hidefumi Masuzaki, Satoshi Ito, Masaaki Fujinawa, Nobuyuki Minowa, Akihisa Hirasawa | 1993-08-10 |
| 5231482 | Image filing apparatus and method for thereby encoding and storing various documents | Tatsuya Murakami, Eiichi Hadano, Masaaki Fujinawa, Hidefumi Masuzaki, Tsugio Takahashi +3 more | 1993-07-27 |
| 5218599 | Method of recording and reproduction of information using a recording medium available for information overlap recording, a recording medium and a recording and reproducing apparatus using the method | Toshiaki Tsuyoshi, Yoshito Tsunoda | 1993-06-08 |
| 5168533 | Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus | Kanji Kato, Mitsuo Ooyama, Hisamitsu Kawaguchi, Atsushi Hatakeyama, Noriyuki Kaneoka +4 more | 1992-12-01 |
| 5140644 | Character string retrieving system and method | Hisamitsu Kawaguchi, Kanji Kato, Atsushi Hatakeyama, Masaaki Fujinawa, Masaharu Murakami +1 more | 1992-08-18 |
| 5128748 | Image processing system and apparatus for processing color documents | Tatsuya Murakami, Masaaki Fujinawa, Hidefumi Masuzaki, Satoshi Ito, Eiichi Hadano +1 more | 1992-07-07 |
| 5129016 | System for registration of documents | Tatsuya Murakami, Yasuaki Nakano, Masaaki Fujinawa | 1992-07-07 |
| 5125045 | Image processing system | Tatsuya Murakami, Masaaki Fujinawa, Hidefumi Masuzaki, Yasuo Kuroshu | 1992-06-23 |
| 5051886 | System for character stream search using finite state automaton technique | Hisamitsu Kawaguchi, Kanji Kato, Masaaki Fujinawa, Atsushi Hatakeyama | 1991-09-24 |
| 5021989 | Document browsing apparatus with concurrent processing and retrievel | Atsushi Hatakeyama, Masaaki Fujinawa, Eiichi Hadano | 1991-06-04 |
| 4985863 | Document storage and retrieval system | Atsushi Hatakeyama, Yasuaki Nakano, Junichi Higashino, Toshihiro Hananoi | 1991-01-15 |
| 4937681 | Picture coding system for document image | Masaaki Fujinawa, Tatsuya Murakami | 1990-06-26 |
| 4933984 | Document analysis system | Yasuaki Nakano, Kunihiro Okada, Osamu Kunisaki, Toshitsugu Ozaki | 1990-06-12 |
| 4907285 | Image understanding system | Yasuaki Nakano, Junichi Higashino, Masakazu Ejiri | 1990-03-06 |
| 4893188 | Document image entry system | Tatsuya Murakami, Masaaki Fujinawa, Toshihiro Hananoi | 1990-01-09 |