Inventor

SONOYAMA HIROFUMI

JP7 patents

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

HITACHI LTD

2 patents

US6667928B2Dec 23, 2003

Semiconductor device in which a chip is supplied either a first voltage or a second voltage

HITACHI LTD37 citations90

US6512398B1Jan 28, 2003

Semiconductor integrated circuit device having reference voltage generating section

HITACHI LTD8 citations73

RENESAS ELECTRONICS CORP

2 patents

US8018447B2Sep 13, 2011

Semiconductor integrated circuit device and data processor system

RENESAS ELECTRONICS CORP4 citations59

US8350832B2Jan 8, 2013

Semiconductor integrated circuit device for display controller

RENESAS ELECTRONICS CORP3 citations58

AKITA ELECTRONICS CO LTD

1 patent

US6912172B2Jun 28, 2005

Semiconductor device and method of the semiconductor device

AKITA ELECTRONICS CO LTD18 citations89

SYNAPTICS DISPLAY DEVICES GK

1 patent

US9443481B2Sep 13, 2016

LCD driver IC

SYNAPTICS DISPLAY DEVICES GK0 citations45

MIYATA SHUSAKU

1 patent

US8334860B2Dec 18, 2012

Semiconductor integrated circuit device and data processor system

MIYATA SHUSAKU0 citations42