SK

Shoichiro Kumazawa

SC Seikosha Co.: 1 patents #27 of 65Top 45%
Overall (1989): #57,498 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D304163 Electromagnetic bell Junichi Aizawa, Satoru Yamauchi, Isao Kondo 1989-10-24