Inventor · disambiguated record
Hiroyuki Tanikawa
Also filed as: TANIKAWA HIROYUKI
24 granted patents·562 citations·filing 1997–2023
96Inventor score
Files withRENESAS ELECTRONICS CORP6HITACHI LTD4RENESAS TECH CORP4LAPIS SEMICONDUCTOR CO LTD3TANIKAWA HIROYUKI2
Top patents by PatentIndex Score
24 records- 0198US6542411B2Nonvolatile memory and semiconductor device with controlled voltage booster circuitHITACHI LTD·Filed 2001·Granted Apr 1, 2003·251 cites·22 claims
- 0296US8017986B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2010·Granted Sep 13, 2011·22 cites·21 claims
- 0396US7414283B2Semiconductor deviceRENESAS TECH CORP·Filed 2006·Granted Aug 19, 2008·29 cites·2 claims
- 0495US7700992B2Semiconductor deviceRENESAS TECH CORP·Filed 2008·Granted Apr 20, 2010·23 cites·14 claims
- 0595US7057230B2Nonvolatile semiconductor memory device employing transistors having different gate withstand voltages for enhanced reading speedHITACHI ULSI SYS CO LTD·Filed 2002·Granted Jun 6, 2006·65 cites·21 claims
- 0693US6519184B2Non-volatile memory device with plurality of threshold voltage distributionsHITACHI LTD·Filed 2002·Granted Feb 11, 2003·101 cites·19 claims
- 0788US10845838B2Reference voltage generation circuit and semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2020·Granted Nov 24, 2020·2 cites·7 claims
- 0886US10096367B2Power supply circuit and semiconductor storage deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2017·Granted Oct 9, 2018·7 cites·13 claims
- 0981US7551488B2Semiconductor nonvolatile memory trimming technique for output characteristic control and redundancy repairOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Jun 23, 2009·14 cites·4 claims
- 1077US9812211B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Nov 7, 2017·1 cites·6 claims
- 1177US8698224B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2013·Granted Apr 15, 2014·2 cites·21 claims
- 1277US8426904B2Semiconductor deviceTANAKA TOSHIHIRO·Filed 2011·Granted Apr 23, 2013·2 cites·14 claims
- 1376US7286410B2Semiconductor integrated circuitRENESAS TECH CORP·Filed 2005·Granted Oct 23, 2007·10 cites·20 claims
- 1476US6321360B1System including a ferroelectric memoryHITACHI LTD·Filed 2000·Granted Nov 20, 2001·20 cites·14 claims
- 1566US10354735B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2018·Granted Jul 16, 2019·0 cites·6 claims
- 1665US10115469B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Oct 30, 2018·0 cites·6 claims
- 1759US9412459B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2014·Granted Aug 9, 2016·0 cites·2 claims
- 1858US12512153B2Semiconductor device and semiconductor memory deviceLAPIS TECH CO LTD·Filed 2023·Granted Dec 30, 2025·0 cites·16 claims
- 1947US8547751B2Non-volatile storage deviceTANIKAWA HIROYUKI·Filed 2011·Granted Oct 1, 2013·1 cites·6 claims
- 2042US10284184B2Booster circuitLAPIS SEMICONDUCTOR CO LTD·Filed 2017·Granted May 7, 2019·0 cites·13 claims
- 2139US6747895B2Nonvolatile semiconductor memory, data deletion method of nonvolatile semiconductor memory, information processing apparatus and nonvolatile semiconductor memory systemRENESAS TECH CORP·Filed 2002·Granted Jun 8, 2004·2 cites·23 claims
- 2239US6131177ASystem including a ferroelectric memoryHITACHI LTD·Filed 1997·Granted Oct 10, 2000·10 cites·17 claims
- 2331US8565028B2Semiconductor nonvolatile memory deviceTANIKAWA HIROYUKI·Filed 2011·Granted Oct 22, 2013·0 cites·14 claims
- 2428US8854877B2Nonvolatile semiconductor memory device and method of reusing sameNAGASHIMA YUJI·Filed 2011·Granted Oct 7, 2014·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Tanikawa 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 →