Inventor · disambiguated record
Hirokazu Fujimaki
Also filed as: FUJIMAKI HIROKAZU
13 granted patents·7 pending applications·115 citations·filing 1999–2021
90Inventor score
Files withOKI ELECTRIC IND CO LTD14LAPIS SEMICONDUCTOR CO LTD2OKI SEMICONDUCTOR CO LTD2DOI YUUKI1POWERCHIP SEMICONDUCTOR MFG CORP1
Top patents by PatentIndex Score
20 records- 0189US7205587B2Semiconductor device and method of producing the sameOKI ELECTRIC IND CO LTD·Filed 2005·Granted Apr 17, 2007·17 cites·2 claims
- 0288US10497726B2Semiconductor device having silicon devices in a silicon layer and oxide semiconductor devices in an oxide semiconductor layer of a same chip and semiconductor device manufacturing methodLAPIS SEMICONDUCTOR CO LTD·Filed 2017·Granted Dec 3, 2019·6 cites·16 claims
- 0382US7285455B2Method of producing the sameOKI ELECTRIC IND CO LTD·Filed 2006·Granted Oct 23, 2007·9 cites·2 claims
- 0482US6780725B2Method for forming a semiconductor device including forming vertical npn and pnp transistors by exposing the epitaxial layer, forming a monocrystal layer and adjusting the impurity concentration in the epitaxial layerOKI ELECTRIC IND CO LTD·Filed 2002·Granted Aug 24, 2004·34 cites·11 claims
- 0578US6709941B2Method for manufacturing semiconductor device employing solid phase diffusionOKI ELECTRIC IND CO LTD·Filed 2002·Granted Mar 23, 2004·26 cites·19 claims
- 0662US7663241B2Semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 2007·Granted Feb 16, 2010·2 cites·10 claims
- 0755US2009199896A1Dye-sensitized solar cellOKI SEMICONDUCTOR CO LTD·Filed 2009·Application pending·0 cites
- 0851US10734494B2Semiconductor device and manufacturing method for semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2018·Granted Aug 4, 2020·0 cites·16 claims
- 0951US7902884B2H-bridge circuitOKI SEMICONDUCTOR CO LTD·Filed 2009·Granted Mar 8, 2011·4 cites·13 claims
- 1051US2007251574A1Dye-sensitized solar cellOKI ELECTRIC IND CO LTD·Filed 2007·Application pending·0 cites
- 1150US6548371B2Method of forming a groove-like area in a semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 1999·Granted Apr 15, 2003·17 cites·17 claims
- 1248US12199179B2LDMOS with polysilicon deep drainPOWERCHIP SEMICONDUCTOR MFG CORP·Filed 2021·Granted Jan 14, 2025·0 cites·7 claims
- 1346US2007063198A1Semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 2006·Application pending·0 cites
- 1446US2007085139A1Semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 2006·Application pending·0 cites
- 1545US2006267098A1Semiconductor deviceOKI ELECTRIC IND CO LTD·Filed 2006·Application pending·0 cites
- 1640US7132729B2Semiconductor device and method of manufacturing sameOKI ELECTRIC IND CO LTD·Filed 2004·Granted Nov 7, 2006·0 cites·3 claims
- 1740US2007246096A1Dye-sensitized solar cellOKI ELECTRIC IND CO LTD·Filed 2007·Application pending·0 cites
- 1838US2005059220A1Semiconductor device and method of manufacturing the sameOKI ELECTRIC IND CO LTD·Filed 2004·Application pending·0 cites
- 1934US7026221B2Method of forming semiconductor device with bipolar transistor having lateral structureOKI ELECTRIC IND CO LTD·Filed 2003·Granted Apr 11, 2006·0 cites·17 claims
- 2027US8278198B2Semiconductor device and method of producing the sameDOI YUUKI·Filed 2010·Granted Oct 2, 2012·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →