Inventor
MARUMOTO KYOJI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “MARUMOTO KYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM CO LTD
7 patentsUS10199974B2Feb 5, 2019
Motor driving circuit and motor driving method
ROHM CO LTD6 citations70
US5333163AJul 26, 1994
IC including counter circuit and one chip microcomputer thereof
ROHM CO LTD3 citations61
US6229579B1May 8, 2001
Color encoder with chrominance subcarrier generator responsive to a plurality of clock rates or frequencies
ROHM CO LTD2 citations60
US5774190AJun 30, 1998
Encoder with an on-screen display function
ROHM CO LTD3 citations60
US5703993ADec 30, 1997
RGB encoder for converting digital signals to analog signals and activating deactivating D/A converters according to a mode signal
ROHM CO LTD3 citations60
US7286422B2Oct 23, 2007
Memory device with built-in test function and method for controlling the same
ROHM CO LTD2 citations58
US10554118B2Feb 4, 2020
Power supply device
ROHM CO LTD0 citations40
MARUMOTO KYOJI
4 patentsUS8244309B2Aug 14, 2012
Driving recorder
MARUMOTO KYOJI17 citations82
US9804012B2Oct 31, 2017
Vehicle traveling information recording device
MARUMOTO KYOJI4 citations71
US8786420B2Jul 22, 2014
Drive recorder
MARUMOTO KYOJI2 citations60
US8421517B2Apr 16, 2013
Semiconductor device including power conversion and a drive recorder
MARUMOTO KYOJI4 citations56