HK

Hirokazu Kugai

Sumitomo Electric Industries: 27 patents #600 of 21,551Top 3%
TK Toda Kogyo: 2 patents #141 of 328Top 45%
Overall (All Time): #147,544 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5538763 Method of preparing carbon cluster film having electrical conductivity Yoshinobu Ueba, Nobuyuki Okuda, Kengo Ohkura 1996-07-23
5380595 Carbon cluster film having electrical conductivity and method of preparing the same Yoshinobu Ueba, Nobuyuki Okuda, Kengo Ohkura 1995-01-10