Inventor · disambiguated record
Masakazu Sugiura
Also filed as: SUGIURA MASAKAZU
50 granted patents·11 pending applications·168 citations·filing 1979–2019
97Inventor score
Files withSEIKO INSTR INC22SUGIURA MASAKAZU13SII SEMICONDUCTOR CORP8ABLIC INC7SANYO CHEMICAL IND LTD3
Top patents by PatentIndex Score
61 records- 0189US8884594B2Voltage regulatorSUGIURA MASAKAZU·Filed 2012·Granted Nov 11, 2014·10 cites·9 claims
- 0286US10831219B2Voltage regulatorABLIC INC·Filed 2019·Granted Nov 10, 2020·3 cites·7 claims
- 0386US8384470B2Internal power supply voltage generation circuitSEIKO INSTR INC·Filed 2011·Granted Feb 26, 2013·8 cites·10 claims
- 0485US11275399B2Reference voltage circuit including depletion type and enhancement type transistors in a common centroid arrangementABLIC INC·Filed 2018·Granted Mar 15, 2022·4 cites·6 claims
- 0585US8451571B2Overheat protection circuit and power supply integrated circuitIMURA TAKASHI·Filed 2010·Granted May 28, 2013·8 cites·5 claims
- 0683US8604821B2Power supply voltage monitoring circuit and electronic circuit including the power supply voltage monitoring circuitSUGIURA MASAKAZU·Filed 2010·Granted Dec 10, 2013·7 cites·8 claims
- 0782US8704491B2Battery packSUGIURA MASAKAZU·Filed 2011·Granted Apr 22, 2014·9 cites·9 claims
- 0881US10348305B2Level shift circuitSII SEMICONDUCTOR CORP·Filed 2017·Granted Jul 9, 2019·4 cites·2 claims
- 0980US10637344B2Voltage regulatorABLIC INC·Filed 2018·Granted Apr 28, 2020·3 cites·6 claims
- 1080US8476967B2Constant current circuit and reference voltage circuitKOBAYASHI YUJI·Filed 2011·Granted Jul 2, 2013·5 cites·6 claims
- 1179US7315154B2Voltage regulatorSEIKO INSTR INC·Filed 2005·Granted Jan 1, 2008·12 cites·3 claims
- 1279US4367309AGlycoprotein derivative compositions, process for producing the same and uses thereof as diagnostic reagents or hydrolytic catalystsSANYO CHEMICAL IND LTD·Filed 1979·Granted Jan 4, 1983·29 cites·27 claims
- 1375US7977999B2Temperature detection circuitSEIKO INSTR INC·Filed 2009·Granted Jul 12, 2011·10 cites·4 claims
- 1474US9367073B2Voltage regulatorSEIKO INSTR INC·Filed 2014·Granted Jun 14, 2016·4 cites·6 claims
- 1573US9748946B2Power supply switching circuit and semiconductor deviceSII SEMICONDUCTOR CORP·Filed 2016·Granted Aug 29, 2017·2 cites·3 claims
- 1671US8183907B2Detection circuit and sensor deviceSUGIURA MASAKAZU·Filed 2010·Granted May 22, 2012·2 cites·14 claims
- 1771US8063675B2Delay circuit including first and second internal delay circuits and a selection switchIGARASHI ATSUSHI·Filed 2010·Granted Nov 22, 2011·4 cites·8 claims
- 1870US8542060B2Constant current circuitTOMIOKA TSUTOMU·Filed 2011·Granted Sep 24, 2013·4 cites·2 claims
- 1963US10574200B2Transconductance amplifierABLIC INC·Filed 2018·Granted Feb 25, 2020·1 cites·8 claims
- 2061US9671802B2Voltage regulator having overshoot suppressionSEIKO INSTR INC·Filed 2015·Granted Jun 6, 2017·1 cites·1 claims
- 2159US9733284B2Current detection circuitSII SEMICONDUCTOR CORP·Filed 2016·Granted Aug 15, 2017·1 cites·3 claims
- 2259US9118326B2Output circuit, temperature switch IC, and battery packMITANI MASAHIRO·Filed 2012·Granted Aug 25, 2015·2 cites·5 claims
- 2357US9910452B2Reference-voltage circuitSEIKO INSTR INC·Filed 2014·Granted Mar 6, 2018·1 cites·3 claims
- 2457US9400515B2Voltage regulator and electronic apparatusSEIKO INSTR INC·Filed 2014·Granted Jul 26, 2016·1 cites·5 claims
- 2555US8274281B2Magnetic sensor circuit for detecting and monitoring a magnetic fieldSUGIURA MASAKAZU·Filed 2008·Granted Sep 25, 2012·2 cites·8 claims
- 2653US9983068B2Overheat detection circuit and semiconductor deviceSEIKO INSTR INC·Filed 2015·Granted May 29, 2018·0 cites·4 claims
- 2751US9831757B2Voltage regulatorSEIKO INSTR INC·Filed 2014·Granted Nov 28, 2017·0 cites·5 claims
- 2851US8212555B2Magnetic sensor circuitSUGIURA MASAKAZU·Filed 2008·Granted Jul 3, 2012·1 cites·7 claims
- 2950US8547163B2Temperature sensor deviceSUGIURA MASAKAZU·Filed 2012·Granted Oct 1, 2013·0 cites·4 claims
- 3049US7049799B2Voltage regulator and electronic deviceSEIKO INSTR INC·Filed 2003·Granted May 23, 2006·6 cites·9 claims
- 3148US9800156B2Amplifier circuit and voltage regulatorSII SEMICONDUCTOR CORP·Filed 2016·Granted Oct 24, 2017·0 cites·6 claims
- 3247US10355675B2Input circuitSII SEMICONDUCTOR CORP·Filed 2016·Granted Jul 16, 2019·0 cites·4 claims
- 3347US9772365B2Detection circuitSEIKO INSTR INC·Filed 2016·Granted Sep 26, 2017·0 cites·5 claims
- 3447US7196502B2Switching regulator having soft start circuitSEIKO INSTR INC·Filed 2004·Granted Mar 27, 2007·10 cites·3 claims
- 3546US10505500B2Differential amplification deviceABLIC INC·Filed 2018·Granted Dec 10, 2019·0 cites·10 claims
- 3646US9059699B2Power supply switching circuitSEIKO INSTR INC·Filed 2013·Granted Jun 16, 2015·0 cites·4 claims
- 3746US8531234B2Temperature detection deviceSUGIURA MASAKAZU·Filed 2011·Granted Sep 10, 2013·0 cites·7 claims
- 3845US9367074B2Voltage regulator capable of stabilizing an output voltage even when a power supply fluctuatesSEIKO INSTR INC·Filed 2014·Granted Jun 14, 2016·0 cites·7 claims
- 3945US7132341B2Semiconductor integrated circuit device and the process of the sameHITACHI ULSI SYS CO LTD·Filed 2001·Granted Nov 7, 2006·1 cites·27 claims
- 4044US9983067B2Overheat detection circuit and semiconductor deviceSEIKO INSTR INC·Filed 2015·Granted May 29, 2018·0 cites·4 claims
- 4143US10503197B2Current generation circuitABLIC INC·Filed 2018·Granted Dec 10, 2019·0 cites·4 claims
- 4242US9886052B2Voltage regulatorSII SEMICONDUCTOR CORP·Filed 2016·Granted Feb 6, 2018·0 cites·5 claims
- 4341US9740222B2Overcurrent protection circuit for controlling a gate of an output transistor based on an output currentSEIKO INSTR INC·Filed 2015·Granted Aug 22, 2017·0 cites·6 claims
- 4440US7795929B2Voltage detection circuit and oscillator using the sameSEIKO INSTR INC·Filed 2008·Granted Sep 14, 2010·0 cites·9 claims
- 4540US5424194A4-(cyanomethylthio)phenol enhanced peroxidase assaysSANYO CHEMICAL IND LTD·Filed 1993·Granted Jun 13, 1995·9 cites·14 claims
- 4639US10148238B2Amplifier circuit and multipath nested miller amplifier circuitSII SEMICONDUCTOR CORP·Filed 2017·Granted Dec 4, 2018·0 cites·4 claims
- 4739US2013154604A1Reference current generation circuit and reference voltage generation circuitSEIKO INSTR INC·Filed 2012·Application pending·0 cites
- 4839US2012131402A1Test mode setting circuitSUGIURA MASAKAZU·Filed 2011·Application pending·0 cites
- 4938US9455628B2Voltage regulator with overshoot suppression circuit and capability to stop overshoot suppressionSEIKO INSTR INC·Filed 2015·Granted Sep 27, 2016·0 cites·7 claims
- 5038US2013063201A1Reference voltage circuitSUGIURA MASAKAZU·Filed 2012·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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