YY

Yoichi Yokoyama

EI Electric Power Research Institute: 1 patents #6 of 81Top 8%
📍 Itami, JP: #68 of 171 inventorsTop 40%
Overall (1989): #39,948 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855701 Polarized electromagnet Hiroaki Hamaguchi, Kideya Kondo, Youichi Kunimoto, Manabu Yano 1989-08-08