Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496820 | Method and search method for structured documents | Natsuko Sugaya, Tadataka Matsubayashi, Takuya Okamoto, Yasushi Kawashimo | 2002-12-17 |
| 6490583 | Information registration method and document information processing apparatus | Kazuhiro Hashimoto, Shigeru Kameda, Noriyuki Yamasaki, Akio Azuma | 2002-12-03 |
| 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, Takuya Okamoto, Natsuko Sugaya, Yasushi Kawashimo | 2002-10-29 |
| 6377946 | Document search method and apparatus and portable medium used therefor | Takuya Okamoto, Toru Takahashi, Hisamitsu Kawaguchi, Noriyuki Yamasaki | 2002-04-23 |