Inventor · disambiguated record
Hirofumi Sonoyama
Also filed as: SONOYAMA HIROFUMI
7 granted patents·1 pending application·70 citations·filing 2000–2014
83Inventor score
Files withHITACHI LTD2RENESAS ELECTRONICS CORP2AKITA ELECTRONICS CO LTD1MIYATA SHUSAKU1RENESAS SP DRIVERS INC1
Top patents by PatentIndex Score
8 records- 0184US6667928B2Semiconductor device in which a chip is supplied either a first voltage or a second voltageHITACHI LTD·Filed 2002·Granted Dec 23, 2003·37 cites·11 claims
- 0278US8018447B2Semiconductor integrated circuit device and data processor systemRENESAS ELECTRONICS CORP·Filed 2008·Granted Sep 13, 2011·4 cites·14 claims
- 0371US8350832B2Semiconductor integrated circuit device for display controllerRENESAS ELECTRONICS CORP·Filed 2007·Granted Jan 8, 2013·3 cites·10 claims
- 0471US6912172B2Semiconductor device and method of the semiconductor deviceAKITA ELECTRONICS CO LTD·Filed 2003·Granted Jun 28, 2005·18 cites·9 claims
- 0553US6512398B1Semiconductor integrated circuit device having reference voltage generating sectionHITACHI LTD·Filed 2000·Granted Jan 28, 2003·8 cites·10 claims
- 0650US9443481B2LCD driver ICSYNAPTICS DISPLAY DEVICES GK·Filed 2014·Granted Sep 13, 2016·0 cites·20 claims
- 0745US8334860B2Semiconductor integrated circuit device and data processor systemMIYATA SHUSAKU·Filed 2011·Granted Dec 18, 2012·0 cites·9 claims
- 0839US2014253536A1Driver ic and display-input deviceRENESAS SP DRIVERS INC·Filed 2014·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →