TH

Tsutomu Hamada

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #26,478 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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