Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791492 | GPS positioning system | Koji Miyasaka, Masakazu Mori, Kazuyuki Sakaki, Kenichi Takasu | 2004-09-14 |
| 6775524 | Signal transmitting apparatus | Masato Takeyabu, Yasuaki Takeuchi, Seiji Miyoshi, Masahisa Yoshimi | 2004-08-10 |
| 6672777 | Lens barrier device | Hiroshi Terada, Naohiro Tsuchida | 2004-01-06 |