Inventor · disambiguated record
Akio Iwabuchi
Also filed as: IWABUCHI AKIO
34 granted patents·4 pending applications·292 citations·filing 1997–2013
97Inventor score
Top patents by PatentIndex Score
38 records- 0196US7852137B2Normally-off electronic switching device for on-off control of electric circuitSANKEN ELECTRIC CO LTD·Filed 2008·Granted Dec 14, 2010·44 cites·13 claims
- 0294US7825435B2Diode-like composite semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2008·Granted Nov 2, 2010·34 cites·13 claims
- 0389US7688049B2Level shift circuit and power supply deviceSANKEN ELECTRIC CO LTD·Filed 2006·Granted Mar 30, 2010·18 cites·11 claims
- 0488US6737722B2Lateral transistor having graded base region, semiconductor integrated circuit and fabrication method thereofSANKEN ELECTRIC CO LTD·Filed 2001·Granted May 18, 2004·41 cites·13 claims
- 0587US7999289B2Monolithic integrated circuit of a field-effect semiconductor device and a diodeSANKEN ELECTRIC CO LTD·Filed 2010·Granted Aug 16, 2011·9 cites·6 claims
- 0687US7492614B2Switching power supply apparatusSANKEN ELECTRIC CO LTD·Filed 2005·Granted Feb 17, 2009·27 cites·2 claims
- 0785US7126342B2Voltage measurement deviceHONDA MOTOR CO LTD·Filed 2004·Granted Oct 24, 2006·37 cites·11 claims
- 0879US8642447B2Semiconductor wafer and manufacturing method of semiconductor deviceITOU HIRONORI·Filed 2011·Granted Feb 4, 2014·8 cites·9 claims
- 0977US8399913B2Monolithic integrated circuitSUZUKI MIO·Filed 2011·Granted Mar 19, 2013·5 cites·4 claims
- 1077US7023178B2Voltage measuring apparatusSANKEN ELECTRIC CO LTD·Filed 2005·Granted Apr 4, 2006·4 cites·7 claims
- 1174US9093432B2Semiconductor deviceIWABUCHI AKIO·Filed 2011·Granted Jul 28, 2015·4 cites·1 claims
- 1272US8039322B2Semiconductor device and manufacturing method thereofSANKEN ELECTRIC CO LTD·Filed 2009·Granted Oct 18, 2011·4 cites·6 claims
- 1372US7859138B2Drive circuitSANKEN ELECTRIC CO LTD·Filed 2006·Granted Dec 28, 2010·2 cites·9 claims
- 1470US7764089B2Device for driving switching elementsSANKEN ELECTRIC CO LTD·Filed 2005·Granted Jul 27, 2010·10 cites·7 claims
- 1569US8476677B2Semiconductor deviceMACHIDA OSAMU·Filed 2012·Granted Jul 2, 2013·2 cites·11 claims
- 1669US8188515B2Semiconductor deviceMACHIDA OSAMU·Filed 2009·Granted May 29, 2012·3 cites·14 claims
- 1764US8519442B2High electron mobility transistor having a high speed switching functionIWABUCHI AKIO·Filed 2011·Granted Aug 27, 2013·2 cites·7 claims
- 1862US9153682B2Semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2013·Granted Oct 6, 2015·1 cites·20 claims
- 1962US7592683B2Semiconductor device with improved electrostatic toleranceSANKEN ELECTRIC CO LTD·Filed 2005·Granted Sep 22, 2009·3 cites·5 claims
- 2061US7071527B2Semiconductor element and manufacturing method thereofSANKEN ELECTRIC CO LTD·Filed 2003·Granted Jul 4, 2006·10 cites·5 claims
- 2159US8217687B2Capacitive load driverIWABUCHI AKIO·Filed 2010·Granted Jul 10, 2012·2 cites·7 claims
- 2257US7550945B2Voltage measurement deviceSANKEN ELECTRIC CO LTD·Filed 2005·Granted Jun 23, 2009·3 cites·5 claims
- 2354US7859019B2Normally-off field-effect semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2007·Granted Dec 28, 2010·1 cites·10 claims
- 2452US6982473B2Bipolar transistorSANKEN ELECTRIC CO LTD·Filed 2004·Granted Jan 3, 2006·5 cites·9 claims
- 2551US9025348B2Drive circuitOZAWA KEIICHIRO·Filed 2012·Granted May 5, 2015·1 cites·9 claims
- 2651US6524949B2Method of forming low-resistance contact electrodes in semiconductor devicesSANKEN ELECTRIC CO LTD·Filed 2001·Granted Feb 25, 2003·4 cites·3 claims
- 2749US7074663B2Method of making semiconductor device including a first set of windows in a mask with larger ratio of surface area than a second set of windowsSANKEN ELECTRIC CO LTD·Filed 2004·Granted Jul 11, 2006·2 cites·7 claims
- 2848US2007228422A1Monolithic integrated circuit of a field-effect semiconductor device and a diodeSANKEN ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 2948US2007228477A1Monolithic integrated circuit of a field-effect semiconductor device and a diodeSANKEN ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 3047US7132725B2Semiconductor deviceSANKEN ELECTRIC CO LTD·Filed 2003·Granted Nov 7, 2006·3 cites·11 claims
- 3146US8492792B2Semiconductor device and manufacturing method thereofIWABUCHI AKIO·Filed 2011·Granted Jul 23, 2013·0 cites·4 claims
- 3246USRE40965EMethod of forming low-resistance contact electrodes in semiconductor devicesSANKEN ELECTRIC CO LTD·Filed 2005·Granted Nov 10, 2009·0 cites·3 claims
- 3344US2012032232A1Semiconductor deviceIWABUCHI AKIO·Filed 2011·Application pending·0 cites
- 3439US9293570B2Semiconductor device, electric circuit using the same and method of controlling electric circuitIWABUCHI AKIO·Filed 2011·Granted Mar 22, 2016·0 cites·8 claims
- 3539US7135364B2Method of fabricating semiconductor integrated circuitSANKEN ELECTRIC CO LTD·Filed 2004·Granted Nov 14, 2006·0 cites·6 claims
- 3638US8823061B2Semiconductor deviceIWABUCHI AKIO·Filed 2011·Granted Sep 2, 2014·0 cites·6 claims
- 3738US2011284721A1Organic electroluminescence illumination deviceIWABUCHI AKIO·Filed 2011·Application pending·0 cites
- 3825US5811854AOne piece semiconductor device having a power fet and a low level signal element with laterally spaced buried layersSANKEN ELECTRIC CO LTD·Filed 1997·Granted Sep 22, 1998·3 cites·8 claims
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