YH

Yasuji Hagiwara

AC Alps Alpine Co.: 13 patents #11 of 525Top 3%
AC Alps Electric Co.: 12 patents #118 of 2,177Top 6%
AC Alps Electronics Co.: 1 patents #1 of 19Top 6%
📍 Rifu, JP: #118 of 2,101 inventorsTop 6%
Overall (All Time): #149,521 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
6541760 Rotation detecting apparatus detecting rotation operation by light transmission to prevent invalid detection Kenji Ohgoshi 2003-04-01