KH

Keiji Hasegawa

CH Chuo Hatsujo: 2 patents #1 of 4Top 25%
Overall (2003): #57,461 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6648996 Method and apparatus for producing a helical spring 2003-11-18
6550301 Method for producing an inclined helical spring 2003-04-22