Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8428567 | Cordless telephone unit including audible confirmation of called party | Kunio Kotsuki | 2013-04-23 |
| 7359697 | Cordless telephone unit including audible confirmation of called party | Kunio Kotsuki | 2008-04-15 |