Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7085474 | Watermark detecting apparatus | Kazumi Sugaya, Hiroshi Iwamura, Keiji Katata | 2006-08-01 |
| 6804452 | Apparatus for generating recording signal including image data and copy condition information | Kazuo Kuroda, Yoshiaki Moriyama, Kazumi Sugaya, Keiichi Yamauchi | 2004-10-12 |
| 4761693 | Magnetic recording and reproducing device | Hiroshi Sato, Kaoru Yamamoto, Jun Kanda | 1988-08-02 |
| 4442323 | Microphone with vibration cancellation | Satoshi Yoshida | 1984-04-10 |