Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7405627 | PLL frequency synthesizer | Kimitoshi Niratsuka | 2008-07-29 |
| 7079665 | Loudspeaker | Shinsaku Sawa, Shuji Ido, Shigeru Nishida | 2006-07-18 |
| 6987860 | Speaker installation structure | Takayuki Kurihara, Hiroyuki Tanno, Shinsaku Sawa | 2006-01-17 |
| 6127890 | Variable gain circuit with improved gain response | Shinji Saito | 2000-10-03 |
| 5534821 | Charge pump circuits for PLL frequency synthesizer | Takehiro Akiyama, Kouzi Takekawa, Takehito Doi | 1996-07-09 |