YM

Yasuhiko Matuyama

SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #1,270,609 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6642702 Detection circuit for maximum value of three phase signal and detection method of the same 2003-11-04
6340908 Phase adjusting circuit, scaling signal generation circuit using phase adjusting circuit, and position measuring apparatus using scaling signal generation circuit 2002-01-22
5663643 Position detecting apparatus using offset calculated from sum of three-phase signals 1997-09-02
5485407 Interpolation device for scale arrangement Shigeru Ishimoto, Hideo Maejima 1996-01-16