FA

Fukumi Akatsu

AC Asmo Co.: 1 patents #369 of 745Top 50%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #3,265,881 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8035272 Carbon brush with raw graphite particles Shouichi Yoshikawa 2011-10-11