JH

Jun Hirai

SO Sony: 2 patents #351 of 2,482Top 15%
Overall (2004): #56,857 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6813436 Recording apparatus, recording method and recording medium for preventing illegal duplication — 2004-11-02
6701436 Information reproducing and recording apparatus and method which permits copying for personal use while protecting a copyright — 2004-03-02