SM

Seiichi Maruyama

HI Hitachi: 1 patents #311 of 1,214Top 30%
Overall (1982): #31,735 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321651 Enclosed-type zinc-oxide surge arrester Jun Ozawa, Yoshi Akatsu, Katsuji Shindo, Akio Mizukoshi, Seizo Nakano +1 more 1982-03-23