RH

Ryo Hirayama

VJ Victor Company Of Japan: 4 patents #304 of 1,489Top 25%
📍 Kamakura, JP: #428 of 1,212 inventorsTop 40%
Overall (All Time): #1,286,218 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5771333 Video signal emphasis and deemphasis method and apparatus Kaoru Kobayashi 1998-06-23
5671066 Apparatus for recording and reproducing video signals with preemphasis and deemphasis processes 1997-09-23
5526136 Method and apparatus for reproducing a video signal subject to pre-emphasis Hirofumi Hisikura, Kaoru Kobayashi 1996-06-11
5517322 Apparatus for recording and reproducing video signals with preemphasis and deemphasis processes 1996-05-14