YH

Yasuo Hishinuma

YC Yuken Kogyo Co.: 1 patents #1 of 9Top 15%
Overall (1989): #42,196 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4796661 Proportional electro-hydraulic pressure control valve Hiroshi Ito 1989-01-10