Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357431 | Character string retrieval system using index and unit for making the index | Kenichi Utsumi, Takashi Tsubokura, Masaru Nakahara, Satoshi Itami, Hiroshi Suzuki +2 more | 1994-10-18 |
| 5327411 | Write control method and apparatus for writing optical disk data | Seiichi Iwasa, Nagaaki Koshino, Kenichi Utsumi | 1994-07-05 |