Inventor

KUMASAKA HIROYUKI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “KUMASAKA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROHM CO LTD

2 patents

US9684289B2Jun 20, 2017

Power control device, system, and method using switches for fast stabilization of a power source

ROHM CO LTD0 citations32

US9935543B2Apr 3, 2018

Digital control power circuit, control circuit thereof, control method, and electronic device using the same

ROHM CO LTD0 citations31

ISHIKAWA HIROYUKI

1 patent

US8552971B2Oct 8, 2013

Driving circuit for light emitting diode

ISHIKAWA HIROYUKI8 citations78