IH

Isao Hamada

NL Nippon Mining Company Limited: 1 patents #2 of 24Top 9%
Overall (1982): #57,312 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4350510 Centrifugal separator Hiroshi Nakayama, Nobuyoshi Kawakami, Hirotaka Azami, Tadasu Ikeda, Yasumasa Yukawa +4 more 1982-09-21