SO

Sohei Okamoto

IS Isekikaihatsukohki: 1 patents #2 of 5Top 40%
Overall (1989): #56,077 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4810377 Clarification device Minoru Kato, Yukio Suzuki 1989-03-07