Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D285553 | Telephone set with automatic dialer and speaker phone | Teisuke Kurosu, Fumiharu Ohta, Kazumasa Takenaka, Satoshi Watanabe | 1986-09-09 |
| D284467 | Telephone answering machine | Teisuke Kurosu, Fumiharu Ohta, Kazumasa Takenaka, Satoshi Watanabe | 1986-07-01 |
| D279372 | Telephone answering machine with handset | Teisuke Kurosu, Fumiharu Ohta, Kazumasa Takenaka, Satoshi Watanabe | 1985-06-25 |