Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7777764 | Portable display device | Shoji Yoshioka, Yusuke Nishi, Tatsuya Oikawa | 2010-08-17 |
| 5577106 | Communication apparatus for use with public telephone network | Masahiro Tanaka | 1996-11-19 |