Inventor · disambiguated record
Tetsuya Ishimaru
Also filed as: ISHIMARU TETSUYA
43 granted patents·12 pending applications·405 citations·filing 2003–2023
98Inventor score
Files withRENESAS TECH CORP13HITACHI POWER SEMICONDUCTOR DEVICE LTD12RENESAS ELECTRONICS CORP10HITACHI LTD8AKITA KENICHI2
Top patents by PatentIndex Score
55 records- 0197US7504689B2Semiconductor device and manufacturing method of semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Mar 17, 2009·60 cites·9 claims
- 0296US7667259B2Non-volatile semiconductor device and method of fabricating embedded non-volatile semiconductor memory device with sidewall gateRENESAS TECH CORP·Filed 2006·Granted Feb 23, 2010·36 cites·3 claims
- 0394US7130223B2Nonvolatile semiconductor memory deviceRENESAS TECH CORP·Filed 2005·Granted Oct 31, 2006·28 cites·8 claims
- 0493US7872298B2Split-gate type memory deviceRENESAS ELECTRONICS CORP·Filed 2007·Granted Jan 18, 2011·20 cites·15 claims
- 0592US10079536B2Rectifier, alternator using same and power supply using sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2016·Granted Sep 18, 2018·8 cites·11 claims
- 0691US11900777B2Work content detection determination device, work content detection determination system, and wearable sensor embedded gloveHITACHI LTD·Filed 2020·Granted Feb 13, 2024·3 cites·15 claims
- 0791US7915666B2Nonvolatile semiconductor memory devices with charge injection cornerRENESAS ELECTRONICS CORP·Filed 2008·Granted Mar 29, 2011·18 cites·16 claims
- 0891US6972997B2Nonvolatile semiconductor memory deviceRENESAS TECH CORP·Filed 2003·Granted Dec 6, 2005·48 cites·42 claims
- 0987US8076709B2Nonvolatile semiconductor memory deviceISHIMARU TETSUYA·Filed 2010·Granted Dec 13, 2011·10 cites·20 claims
- 1087US7935597B2Semiconductor device and manufacturing method of the sameRENESAS ELECTRONICS CORP·Filed 2010·Granted May 3, 2011·7 cites·5 claims
- 1186US11875694B2Operational information management system and wearable sensorHITACHI LTD·Filed 2019·Granted Jan 16, 2024·2 cites·13 claims
- 1286US10852209B2Water leak sensing system and methodHITACHI LTD·Filed 2019·Granted Dec 1, 2020·3 cites·12 claims
- 1385US11012022B2Inverter device and electric motor device using sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2018·Granted May 18, 2021·2 cites·14 claims
- 1483US8390053B2Nonvolatile semiconductor device including a field effect transistor having a charge storage layer of predetermined lengthAKITA KENICHI·Filed 2008·Granted Mar 5, 2013·9 cites·11 claims
- 1582US12154446B2Operational information management system and wearable sensorHITACHI LTD·Filed 2023·Granted Nov 26, 2024·0 cites·7 claims
- 1682US7847343B2Semiconductor device and manufacturing method of semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2009·Granted Dec 7, 2010·8 cites·3 claims
- 1782US7085157B2Nonvolatile memory device and semiconductor deviceRENESAS TECH CORP·Filed 2004·Granted Aug 1, 2006·12 cites·18 claims
- 1881US7863131B2Semiconductor device and manufacturing method for semiconductor device to reduce the lithography masksRENESAS ELECTRONICS CORP·Filed 2005·Granted Jan 4, 2011·9 cites·8 claims
- 1981US7286401B2Nonvolatile semiconductor memory deviceRENESAS TECH CORP·Filed 2004·Granted Oct 23, 2007·29 cites·8 claims
- 2080US10304761B2Semiconductor device and alternator using sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2016·Granted May 28, 2019·4 cites·8 claims
- 2180US9831145B2Semiconductor device, and alternator and power converter using the semiconductor deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2015·Granted Nov 28, 2017·4 cites·17 claims
- 2280US8125012B2Non-volatile memory device with a silicon nitride charge holding film having an excess of siliconMINE TOSHIYUKI·Filed 2006·Granted Feb 28, 2012·20 cites·5 claims
- 2379US8054680B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2004·Granted Nov 8, 2011·20 cites·18 claims
- 2479US7212444B2Semiconductor nonvolatile memory deviceRENESAS TECH CORP·Filed 2005·Granted May 1, 2007·8 cites·5 claims
- 2578US8324092B2Non-volatile semiconductor device and method of fabricating embedded non-volatile semiconductor memory device with sidewall gateYASUI KAN·Filed 2010·Granted Dec 4, 2012·4 cites·12 claims
- 2678US7709315B2Semiconductor device and method of manufacturing the sameRENESAS TECH CORP·Filed 2007·Granted May 4, 2010·8 cites·8 claims
- 2774US9966871B2Rectification device, alternator, and power conversion deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2014·Granted May 8, 2018·4 cites·14 claims
- 2872US12266252B2Work content detection determination device, work content detection determination system, and wearable sensor embedded gloveHITACHI LTD·Filed 2023·Granted Apr 1, 2025·0 cites·19 claims
- 2972US8063433B2Nonvolatile semiconductor memory deviceISHIMARU TETSUYA·Filed 2008·Granted Nov 22, 2011·5 cites·14 claims
- 3071US10069436B2Synchronous rectifier and alternator using the sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2015·Granted Sep 4, 2018·2 cites·15 claims
- 3169US10205314B2Rectifier including MOSFET and hold circuit that boosts gate voltage of MOSFET, and alternator using the sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2017·Granted Feb 12, 2019·1 cites·20 claims
- 3269US7847331B2Nonvolatile semiconductor memory deviceRenesas Electronics Corportion·Filed 2005·Granted Dec 7, 2010·4 cites·22 claims
- 3367US7529126B2Nonvolatile memory device and semiconductor deviceRENESAS TECH CORP·Filed 2006·Granted May 5, 2009·5 cites·7 claims
- 3466US8064261B2Semiconductor nonvolatile memory deviceHISAMOTO DIGH·Filed 2010·Granted Nov 22, 2011·2 cites·14 claims
- 3558US2025271919A1Electric power adjustment deviceHITACHI LTD·Filed 2023·Application pending·0 cites
- 3654US11653882B2Sensor data correction systemHITACHI LTD·Filed 2020·Granted May 23, 2023·0 cites·7 claims
- 3754US9117849B2Nonvolatile semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2014·Granted Aug 25, 2015·0 cites·12 claims
- 3853US8679915B2Non-volatile semiconductor device and method of fabricating embedded non-volatile semiconductor memory device with sidewall gateRENESAS ELECTRONICS CORP·Filed 2012·Granted Mar 25, 2014·0 cites·4 claims
- 3952US7751255B2Semiconductor nonvolatile memory deviceRENESAS TECH CORP·Filed 2008·Granted Jul 6, 2010·1 cites·6 claims
- 4051US8796756B2Nonvolatile semiconductor device and method of manufacturing the sameAKITA KENICHI·Filed 2013·Granted Aug 5, 2014·0 cites·8 claims
- 4151US7443731B2Semiconductor nonvolatile memory deviceRENESAS TECH CORP·Filed 2007·Granted Oct 28, 2008·1 cites·12 claims
- 4249US2023204675A1Battery pack diagnosing method, cell diagnosing method, battery pack diagnosing device, and cell diagnosing deviceHITACHI HIGH TECH CORP·Filed 2021·Application pending·0 cites
- 4346US8472258B2Semiconductor nonvolatile memory deviceHISAMOTO DIGH·Filed 2011·Granted Jun 25, 2013·0 cites·16 claims
- 4445US10319849B2Semiconductor device, and alternator and power conversion device which use sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2014·Granted Jun 11, 2019·0 cites·18 claims
- 4544US2009050956A1Semiconductor memory device and method of manufacturing the sameRENESAS TECH CORP·Filed 2008·Application pending·0 cites
- 4644US2015303268A1Diode and power conversion deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2013·Application pending·0 cites
- 4743US2014092688A1Non-Volatile Semiconductor Storage DeviceRENESAS ELECTRONICS CORP·Filed 2013·Application pending·0 cites
- 4843US2008258205A1Non-volatile semiconductor memory deviceRENESAS TECH CORP·Filed 2008·Application pending·0 cites
- 4942US2014070379A1Diode and Power Conversion SystemHITACHI LTD·Filed 2013·Application pending·0 cites
- 5041US2016020309A1Semiconductor device and power conversion device using sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2013·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tetsuya Ishimaru 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 →