Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D299228 | Integral telephone and answering set | Fumiharu Ohta, Kazumasa Takenaka, Masao Tamura, Hung C. Ming, Satoshi Watanabe | 1989-01-03 |
| D297935 | Telephone | Fumiharu Ohta, Kazumasa Takenaka | 1988-10-04 |
| D285553 | Telephone set with automatic dialer and speaker phone | Haruo Baba, Fumiharu Ohta, Kazumasa Takenaka, Satoshi Watanabe | 1986-09-09 |
| D284467 | Telephone answering machine | Haruo Baba, Fumiharu Ohta, Kazumasa Takenaka, Satoshi Watanabe | 1986-07-01 |
| D279372 | Telephone answering machine with handset | Haruo Baba, Fumiharu Ohta, Kazumasa Takenaka, Satoshi Watanabe | 1985-06-25 |