KF

Katsunari Fujita

HO Hosiden: 2 patents #123 of 328Top 40%
📍 Shandong, CN: #587 of 2,138 inventorsTop 30%
Overall (All Time): #2,030,603 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9055359 Electroacoustic transducing device Tomohiko Kamimura, Hideo Yuasa, Jinlong Ren, Hidenori Motonaga 2015-06-09
8155374 Electroacoustic transducing device Hideo Yuasa, Hidenori Motonaga, Wei Wang 2012-04-10