Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236968 | Question-answering method and question-answering apparatus | Katsumi Marukawa, Masanobu Takatsu | 2007-06-26 |
| 7190833 | Mobile device and transmission system | Tatsuhiko Kagehiro, Hiroshi Sako | 2007-03-13 |