Inventor · disambiguated record
Masaya Ohtsuka
Also filed as: OHTSUKA MASAYA
18 granted patents·4 pending applications·219 citations·filing 1994–2012
93Inventor score
Top patents by PatentIndex Score
22 records- 0192US5899074AGas turbine combustor and operation method thereof for a diffussion burner and surrounding premixing burners separated by a partitionHITACHI LTD·Filed 1995·Granted May 4, 1999·79 cites·10 claims
- 0285US6718001B2Nuclear reactorHITACHI LTD·Filed 2001·Granted Apr 6, 2004·33 cites·6 claims
- 0383US7842967B2Semiconductor device used in step-up DC-DC converter, and step-up DC-DC converterRICOH CO LTD·Filed 2007·Granted Nov 30, 2010·9 cites·18 claims
- 0479US7944000B2Semiconductor resistor, method of manufacturing the same, and current generating device using the sameRICOH CO LTD·Filed 2007·Granted May 17, 2011·8 cites·19 claims
- 0575US7333584B2Nuclear power plant and operation method thereofHITACHI GE NUCLEAR ENERGY LTD·Filed 2005·Granted Feb 19, 2008·4 cites·2 claims
- 0675US6150698ASemiconductor device and method of forming semiconductor device having non-uniformly doped wellRICOH KK·Filed 1998·Granted Nov 21, 2000·37 cites·6 claims
- 0772US7970094B2Nuclear power plant and operation method thereofHITACHI GE NUCLEAR ENERGY LTD·Filed 2008·Granted Jun 28, 2011·2 cites·2 claims
- 0868US8009788B2Monitoring method and monitoring program for boiling water reactor, and acoustic damping method for boiling water reactorHITACHI LTD·Filed 2007·Granted Aug 30, 2011·1 cites·3 claims
- 0960US8217491B2Semiconductor deviceOSHIMA MASASHI·Filed 2010·Granted Jul 10, 2012·2 cites·4 claims
- 1056US8975707B2Semiconductor deviceOHTSUKA MASAYA·Filed 2012·Granted Mar 10, 2015·1 cites·8 claims
- 1153US8571163B2Monitoring method and monitoring program for boiling water reactor, and acoustic damping method for boiling water reactorOHTSUKA MASAYA·Filed 2011·Granted Oct 29, 2013·0 cites·2 claims
- 1253US6871503B1Gas turbine combustor with fuel-air pre-mixer and pre-mixing method for low nox combustionHITACHI LTD·Filed 1999·Granted Mar 29, 2005·15 cites·8 claims
- 1350US8426942B2Semiconductor device with a fuseOSHIMA MASASHI·Filed 2010·Granted Apr 23, 2013·1 cites·8 claims
- 1449US6761033B2Gas turbine combustor with fuel-air pre-mixer and pre-mixing method for low NOx combustionHITACHI LTD·Filed 2002·Granted Jul 13, 2004·12 cites·4 claims
- 1549US5623826ACombustor having a premix chamber with a blade-like structural member and method of operating the combustorHITACHI LTD·Filed 1994·Granted Apr 29, 1997·15 cites·12 claims
- 1647US7977764B2Semiconductor deviceRICOH CO LTD·Filed 2008·Granted Jul 12, 2011·0 cites·5 claims
- 1746US7906820B2Source offset MOSFET optimized for current voltage characteristic invariance with respect to changing temperaturesRICOH CO LTD·Filed 2008·Granted Mar 15, 2011·0 cites·7 claims
- 1842US2012294404A1Nuclear Power Plant and Method of Operating ItWADA YOICHI·Filed 2012·Application pending·0 cites
- 1941US8212282B2Semiconductor device used in step-up DC-DC converter, and step-up DC-DC converterOHTSUKA MASAYA·Filed 2010·Granted Jul 3, 2012·0 cites·11 claims
- 2041US2007216514A1Semiconductor deviceOHTSUKA MASAYA·Filed 2007·Application pending·0 cites
- 2139US2012294407A1Nuclear Power Plant, Fuel Pool Water Cooling Facility and Method ThereofNAMBA KOJI·Filed 2012·Application pending·0 cites
- 2238US2010256963A1Evaluating method for integrity of vibration of steam dryer and test device steam dryerTAKAHASHI SHIRO·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masaya Ohtsuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →