Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357431 | Character string retrieval system using index and unit for making the index | Masahiro Nakada, Kenichi Utsumi, Takashi Tsubokura, Masaru Nakahara, Satoshi Itami +2 more | 1994-10-18 |