HK

Hirofumi Kikuda

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,213,477 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6383721 Marking method and marked resin molded piece Yoshihiko Kamimura 2002-05-07
6245397 Marking method and marked molding Kazuyuki Watanabe, Toyoshi Fukumura 2001-06-12