YS

Yohichi Shiwaya

RC Ricoh Electronic Devices Co.: 2 patents #1 of 2Top 50%
Overall (2017): #90,090 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9812959 Step up/down switching regulator Shinya Shimizu 2017-11-07
9584019 Switching regulator and control method thereof 2017-02-28