YS

Yasuo Sawano

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #41,789 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4888464 Heat roll for electrophotography Ryoichi Shibata, Kiyoshi Kinugawa, Tsutomu Iimura 1989-12-19