TM

Toshihiko Matsuda

HI Hitachi: 1 patents #311 of 1,214Top 30%
Overall (1982): #26,910 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4337509 Method and apparatus for controlling firing phases of thyristors Tsutomu Omae 1982-06-29