MA

Masayuki Arai

SO Sony: 2 patents #351 of 2,482Top 15%
Philips: 1 patents #464 of 1,779Top 30%
Overall (2004): #24,703 of 270,089Top 10%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6778476 Information playback apparatus Yoshinori Tsuboi 2004-08-17
6724700 Optical rotating recording apparatus and method with address information and corresponding error correction code 2004-04-20
6700861 Optical disc and apparatus for scanning the optical disc Gijsbert J. Van Den Enden, Johannes Hendrikus Maria Spruit, Johannus Bakx, Shoei Kobayashi, Yoshiyuki Akiyama 2004-03-02