KK

Kazuhisa Kawazumi

NC Nippon Carbon Co.: 1 patents #26 of 58Top 45%
Overall (All Time): #4,121,297 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4226821 Process for producing flexible graphite Toshikatsu Ishikawa, Hiroshi Yamazoe, Isao Sugiura 1980-10-07