YK

Yoshio Kawahata

SU Sumida: 2 patents #53 of 118Top 45%
Overall (All Time): #2,151,062 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7449985 Magnetic element and method of manufacturing magnetic element Yuichiro Urano, Fumihito Meguro 2008-11-11
7443278 Coil device, composite coil device, and transformer device Tomoyuki Kanno, Naoki Sasaki 2008-10-28