HK

Hironori Koyama

SL Sumitomo Riko Company Limited: 2 patents #8 of 85Top 10%
Overall (2016): #138,525 of 481,213Top 30%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9306440 Electromagnetic actuator, and active vibration damper and fluid-filled active vibration damping device using the same Masahiko Nagasawa, Yuji Hashimoto 2016-04-05
9243680 Fluid-filled type active vibration damping device Mutsumi Muraoka 2016-01-26