Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6535875 | Structured-text cataloging method, structured-text searching method, and portable medium used in the methods | Toru Takahashi, Noriyuki Yamasaki | 2003-03-18 |
| 6510425 | Document search method for registering documents, generating a structure index with elements having position of occurrence in documents represented by meta-nodes | Takuya Okamoto, Toru Takahashi, Katsumi Tada, Noriyuki Yamasaki | 2003-01-21 |