Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11177800 | Power transmission device and contactless power transmission device | Masato Sasaki | 2021-11-16 |
| 9882499 | Switching power supply circuit with reduced noise and potential stabilization of stable potential nodes | Hiroshi Itoh, Toshiyuki Oka | 2018-01-30 |
| 8766275 | Composite semiconductor device | Naoyasu Iketani, Tomohiro Nozawa, Yoshiaki Nozaki, John Twynam, Hiroshi Kawamura | 2014-07-01 |
| 7173487 | Power amplification circuit and communication device using the same | — | 2007-02-06 |
| 6873207 | Power amplification circuit and communication device using the same | — | 2005-03-29 |
| 6806774 | Power amplifier and communication device including power amplifier | — | 2004-10-19 |
| 6771130 | Power amplifier and radio communication apparatus using the same | Takao Hasegawa | 2004-08-03 |
| 6433641 | Power amplifier and communication device including power amplifier | — | 2002-08-13 |
| 6121841 | Transistor power amplifier for portable terminals for mobile communications | — | 2000-09-19 |