Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631047 | Interference device, position detecting device, positioning device and information recording apparatus using the same | Kou Ishizuka, Hidejiro Kadowaki, Hiroyuki Hagiwara, Makoto Takamiya, Shigeki Kato +1 more | 2003-10-07 |