Inventor · disambiguated record
Takashi Hiroshima
Also filed as: HIROSHIMA TAKASHI
18 granted patents·4 pending applications·96 citations·filing 1990–2024
92Inventor score
Files withSEMICONDUCTOR COMPONENTS IND LLC7MURATA MANUFACTURING CO4KUMAGAI KEIZO3SANYO ELECTRIC CO2HIROSHIMA TAKASHI1
Top patents by PatentIndex Score
22 records- 0186US12446257B2Method for forming transistor devices having source region segments and body region segmentsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2024·Granted Oct 14, 2025·0 cites·25 claims
- 0282US6388922B1Semiconductor memory and method of operating semiconductor memorySANYO ELECTRIC CO·Filed 2000·Granted May 14, 2002·31 cites·60 claims
- 0379US11996477B2Transistor device having a source region segments and body region segmentsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2023·Granted May 28, 2024·0 cites·23 claims
- 0478US11158734B2Transistor device having a source region segments and body region segmentsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2019·Granted Oct 26, 2021·1 cites·22 claims
- 0574US11605734B2Transistor device having a source region segments and body region segmentsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2021·Granted Mar 14, 2023·0 cites·20 claims
- 0673US8310219B2DC-DC converter with a PWM mode and a continuously on modeKUROYABU MASAKI·Filed 2009·Granted Nov 13, 2012·16 cites·5 claims
- 0771US9048729B2Step-up/down DC-DC converter and switching control circuitKUMAGAI KEIZO·Filed 2011·Granted Jun 2, 2015·4 cites·5 claims
- 0871US5359315AMethod of forming a three-layer structural spiral inductorMURATA MANUFACTURING CO·Filed 1992·Granted Oct 25, 1994·26 cites·4 claims
- 0967US7977889B2Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for driving power supplyMITSUMI ELECTRIC CO LTD·Filed 2009·Granted Jul 12, 2011·3 cites·6 claims
- 1061US8193793B2DC-DC converterKUMAGAI KEIZO·Filed 2009·Granted Jun 5, 2012·6 cites·4 claims
- 1156US7633139B2Semiconductor diode device with lateral transistorSANYO ELECTRIC CO·Filed 2007·Granted Dec 15, 2009·2 cites·8 claims
- 1249US11227928B1Termination structures for trench-gate field-effect transistorsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2020·Granted Jan 18, 2022·0 cites·20 claims
- 1346US10340372B1Transistor device having a pillar structureSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Jul 2, 2019·0 cites·20 claims
- 1442US2009135633A1Ac Adapter, Electronic Apparatus and Power Supply SystemIKEUCHI AKIRA·Filed 2006·Application pending·0 cites
- 1539US2022130969A1Power device with a contact hole on a sloped ild regionSEMICONDUCTOR COMPONENTS IND LLC·Filed 2020·Application pending·0 cites
- 1639US2007103143A9Battery protection method and battery protection circuitOOSHITA KAZUHIRO·Filed 2006·Application pending·0 cites
- 1738US8957650B2Step-up/down DC-DC converter and switching control circuitKUMAGAI KEIZO·Filed 2011·Granted Feb 17, 2015·0 cites·6 claims
- 1837US6624709B2Voltage-controlled oscillator and electronic device using the sameMURATA MANUFACTURING CO·Filed 2002·Granted Sep 23, 2003·2 cites·20 claims
- 1932US8410537B2Nonvolatile semiconductor memory device and method of manufacturing the sameHIROSHIMA TAKASHI·Filed 2010·Granted Apr 2, 2013·0 cites·9 claims
- 2032US5043609AUHF band transistor mixer circuitMURATA MANUFACTURING CO·Filed 1990·Granted Aug 27, 1991·4 cites·1 claims
- 2128US5241228AUHF transistor mixer circuitMURATA MANUFACTURING CO·Filed 1990·Granted Aug 31, 1993·1 cites·20 claims
- 2228US2012306466A1Step-up dc-dc converterTABUCHI HITOSHI·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →