MH

Masao Hanya

SC Seikosha Co.: 1 patents #27 of 65Top 45%
Overall (1989): #81,371 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4799204 Alarm stop device for a timepiece Seiya Kitaoka 1989-01-17