KH

Keiji Hasegawa

CH Chuo Hatsujo: 1 patents #1 of 7Top 15%
EB Ebara: 1 patents #81 of 253Top 35%
Overall (2005): #47,554 of 245,428Top 20%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6852233 Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting material Takanobu Sugo, Akio Katakai, Noriaki Seko, Shin Hasegawa, Kunio Fujiwara +8 more 2005-02-08
6836964 Method and apparatus for producing a helical spring Shinsuke Okura 2005-01-04