Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Ryo Kamiya — 27 Patents

Yamaha: 21 patents #78 of 2,001Top 4%
Sony: 3 patents #10,744 of 25,231Top 45%
IAIntersil Americas: 1 patents #302 of 468Top 65%
OPOp-T: 1 patents #6 of 9Top 70%
YAYahama: 1 patents #2 of 17Top 15%
Overall (All Time): #147,147 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5436932 For performing amplitude-phase demodulation and viterbi decoding Akira Sogo 1995-07-25
5425098 Data transmitter-receiver having echo canceler with data delay 1995-06-13