Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496820 | Method and search method for structured documents | Katsumi Tada, Natsuko Sugaya, Tadataka Matsubayashi, Yasushi Kawashimo | 2002-12-17 |
| 6473754 | METHOD AND SYSTEM FOR EXTRACTING CHARACTERISTIC STRING, METHOD AND SYSTEM FOR SEARCHING FOR RELEVANT DOCUMENT USING THE SAME, STORAGE MEDIUM FOR STORING CHARACTERISTIC STRING EXTRACTION PROGRAM, AND STORAGE MEDIUM FOR STORING RELEVANT DOCUMENT SEARCHING PROGRAM | Tadataka Matsubayashi, Katsumi Tada, Natsuko Sugaya, Yasushi Kawashimo | 2002-10-29 |
| 6377946 | Document search method and apparatus and portable medium used therefor | Toru Takahashi, Hisamitsu Kawaguchi, Katsumi Tada, Noriyuki Yamasaki | 2002-04-23 |