KH

Kayo Hasegawa

NC Nkk Co.: 1 patents #25 of 133Top 20%
Overall (2002): #180,565 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6361841 Oil well pipe Keiji Sugawara, Masatsugu Nishi, Hideyuki Wada 2002-03-26