Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7898339 | Amplifier circuit | Masato Ikeda | 2011-03-01 |
| 6411148 | Telemetering apparatus | Toshihiko Kotaka, Tokuo Nakamura, Hironobu Uehara | 2002-06-25 |
| 6049234 | Telemetering apparatus | Toshihiko Kotaka, Tokuo Nakamura, Hironobu Uehara | 2000-04-11 |
| 5937030 | Off-hook signal and dial pulse generating circuit and a method for driving the same circuit | Tokuo Nakamura, Toshihiko Kotaka | 1999-08-10 |