YF

Yoshiyuki Fujihara

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,089,031 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8157929 Magnetic shielding material, magnetic shielding component, and magnetic shielding room Shin Yokoyama, Yasuyuki Ilda, Hakaru Sasaki, Yoji Ishikura, Hiromitsu Itabashi +1 more 2012-04-17
7771546 Semi-hard magnetic material, bias material for magnetic marker, magnetic marker and production method of bias material for magnetic marker Noriyuki Nakaoka, Shinichiroh Yokoyama 2010-08-10