HU

Heihachiro Umemura

SC Shinko Electric Industries Co.: 1 patents #9 of 38Top 25%
Overall (1989): #106,020 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4816671 Push-button switch with multi-stage action — 1989-03-28