Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9108228 | Liquid processing apparatus having switchable nozzles | Takahisa Otsuka, Hirotaka Maruyama, Nobuhiro Ogata | 2015-08-18 |
| 7276968 | Class D amplifier | Akio Ozawa | 2007-10-02 |
| 7239046 | Electric power supply unit and electric power supply controlling method | Akio Ozawa, Tatsuzo Hasegawa | 2007-07-03 |
| 6587566 | Sound field forming circuit and sound field forming apparatus | Yukiya Iigai, Haruyuki Inohana, Akio Ozawa | 2003-07-01 |
| 6424210 | Isolator circuit | Yukiya Iigai, Haruyuki Inohana, Akio Ozawa | 2002-07-23 |