HS

Hisashi Satoh

NC Nippon Seiko Co.: 2 patents #1 of 18Top 6%
Overall (1982): #12,900 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4343521 Ball bearing Yukihiro Akabane, Yukio Shiraiwa, Shuyou Tsuchiya 1982-08-10
4334721 Ball bearing Yukihiro Akabane, Yukio Shiraiwa, Shuyou Tsuchiya 1982-06-15