KY

Ken Yoshihara

NI Nippon Itf: 1 patents #14 of 27Top 55%
Overall (All Time): #2,886,811 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9953808 Arc evaporation source Naoto Okazaki, Hiroshi Ishizuka, Tomoyasu Matsuno, Shinji Narahara 2018-04-24