Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519857 | Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus | Kanji Kato, Hiromichi Fujisawa, Mitsuo Ooyama, Hisamitsu Kawaguchi, Atsushi Hatakeyama +4 more | 1996-05-21 |
| 5178696 | Gas generating composition for automobile air bag | Yoshiyuki Ikeda, Kenjiro Ikeda, Atusy Iwamoto | 1993-01-12 |
| 5179683 | Retrieval apparatus including a plurality of retrieval units | Tamon Masimo, Hidefumi Masuzaki | 1993-01-12 |
| 5168533 | Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus | Kanji Kato, Hiromichi Fujisawa, Mitsuo Ooyama, Hisamitsu Kawaguchi, Atsushi Hatakeyama +4 more | 1992-12-01 |
| 5140644 | Character string retrieving system and method | Hisamitsu Kawaguchi, Kanji Kato, Atsushi Hatakeyama, Hiromichi Fujisawa, Masaaki Fujinawa +1 more | 1992-08-18 |