Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7684577 | Vehicle-mounted stereophonic sound field reproducer | Daisuke Arai, Fujio Hayakawa, Toyoaki Kitano, Yutaka Yamagishi, Masahiro Ieda | 2010-03-23 |
| 7440578 | Vehicle-mounted three dimensional sound field reproducing silencing unit | Daisuke Arai, Fujio Hayakawa, Toyoaki Kitano, Yutaka Yamagishi, Masahiro Ieda | 2008-10-21 |
| 6820004 | Operation supporting apparatus | Daisuke Arai, Fujio Hayakawa, Toyoaki Kitano, Yutaka Yamagishi, Masahiro Ieda | 2004-11-16 |