Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9043139 | Map display device | Mitsuo Shimotani, Makoto Mikuriya, Takeo Sakairi | 2015-05-26 |
| 8600666 | Map data creating device, navigation device, and map processing system using these devices | — | 2013-12-03 |
| 8054923 | Radio receiver | Hirotaka Minato | 2011-11-08 |
| 7684577 | Vehicle-mounted stereophonic sound field reproducer | Daisuke Arai, Toyoaki Kitano, Yutaka Kotani, Yutaka Yamagishi, Masahiro Ieda | 2010-03-23 |
| 7440578 | Vehicle-mounted three dimensional sound field reproducing silencing unit | Daisuke Arai, Toyoaki Kitano, Yutaka Kotani, Yutaka Yamagishi, Masahiro Ieda | 2008-10-21 |
| 6820004 | Operation supporting apparatus | Daisuke Arai, Toyoaki Kitano, Yutaka Kotani, Yutaka Yamagishi, Masahiro Ieda | 2004-11-16 |
| 6128394 | Speaker apparatus and waterproof cover therefor | Jun Yoshida, Ikuo Saga, Taizo Nakamura | 2000-10-03 |
| 5838809 | Speaker | Masanobu Sato, Ikuo Saga, Taizo Nakamura | 1998-11-17 |
| 5040219 | Sound reproducing apparatus | Yoichi Ando | 1991-08-13 |