Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D664519 | Telephone | Masafuku Akatsu, Eiichi Taniguchi, Tadamine Toh, Masaru Kunii, Jun Tamatsu +3 more | 2012-07-31 |
| 7873160 | Telephone, telephone security control method, telephone security control program and program recording medium | — | 2011-01-18 |