HK

Hiroshi Kihira

NS Nippon Steel: 3 patents #1 of 167Top 1%
SI Sintobrator: 1 patents #1 of 2Top 50%
Overall (2004): #28,307 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6726953 Method for depositing metal having high corrosion resistance and low contact resistance against carbon on separator for fuel cell Wataru Hisada 2004-04-27
6709781 Separators for solid polymer fuel cells and method for producing same, and solid polymer fuel cells Noriyuki Suzuki, Yuichi Yoshida, Tsutomu Haeno 2004-03-23
6703143 Metal foil excellent in electrical contact stability Masao Kikuchi 2004-03-09