KM

Kenichi Matsumura

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #48,800 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311110 Electrostatic photocopying apparatus with improved developer supply means Shinichi Mizuguchi, Tadayuki Onoda, Tsutomu Hamada, Hisato Noda 1982-01-19