Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664890 | Air pressure detection device for tire | Toshio Yamagiwa | 2003-12-16 |
| 6625421 | Radio network system | Takuji Hamada, Hideaki Masuko, Shinichi Hanada, Yoshiaki Adachi, Hisao Ogawa | 2003-09-23 |
| 6609418 | Apparatus for detecting tire air pressure for motor vehicle | Toshio Yamagiwa, Hiroyuki Kawasaki, Osamu Bunya | 2003-08-26 |