Inventor · disambiguated record
Takehiro Takahashi
Also filed as: TAKAHASHI TAKEHIRO
98 granted patents·30 pending applications·500 citations·filing 1982–2022
99Inventor score
Files withNIPPON STEEL CORP39NIHON DEMPA KOGYO CO26TAKAHASHI TAKEHIRO18HODOGAYA CHEMICAL CO LTD6MIZUSAWA SHUICHI6
Top patents by PatentIndex Score
128 records- 0197US11634790B2Plated steel sheetNIPPON STEEL CORP·Filed 2020·Granted Apr 25, 2023·6 cites·19 claims
- 0296US11584981B2Plated steel sheetNIPPON STEEL CORP·Filed 2020·Granted Feb 21, 2023·3 cites·20 claims
- 0390US11713513B2Surface-treated steel sheet for battery containers and manufacturing method of surface-treated steel sheet for battery containersNIPPON STEEL CORP·Filed 2019·Granted Aug 1, 2023·2 cites·8 claims
- 0490US11352682B2Surface-treated steel sheet and method for manufacturing surface-treated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Jun 7, 2022·3 cites·9 claims
- 0589US5247164AIC card and portable terminalHITACHI MAXELL·Filed 1992·Granted Sep 21, 1993·110 cites·24 claims
- 0688US8053952B2Piezoelectric resonator with scattering-prevention film to prevent short-circuit of the excitation electrodeNIHON DEMPA KOGYO CO·Filed 2010·Granted Nov 8, 2011·9 cites·6 claims
- 0787US9197420B2Using information in a digital certificate to authenticate a network of a wireless access pointCROSS THOMAS J·Filed 2010·Granted Nov 24, 2015·12 cites·17 claims
- 0886US12247293B2Hot-dip Zn-based plated steel sheetNIPPON STEEL CORP·Filed 2021·Granted Mar 11, 2025·1 cites·16 claims
- 0984US11725259B2Plated steel sheetNIPPON STEEL CORP·Filed 2020·Granted Aug 15, 2023·1 cites·11 claims
- 1084US5091618AIc card reader/writerHITACHI MAXELL·Filed 1990·Granted Feb 25, 1992·92 cites·12 claims
- 1183US9547218B2Lens module and portable photography deviceHITACHI MAXELL·Filed 2013·Granted Jan 17, 2017·5 cites·15 claims
- 1283US9132610B2Ni-containing-surface-treated steel sheet for can and manufacturing method thereofTAKAHASHI TAKEHIRO·Filed 2012·Granted Sep 15, 2015·3 cites·14 claims
- 1383US8541928B2Quartz-crystal devices exhibiting reduced crystal impedanceSHIMAO KENJI·Filed 2012·Granted Sep 24, 2013·8 cites·20 claims
- 1483US8299980B2Image display deviceTAKAHASHI TAKEHIRO·Filed 2007·Granted Oct 30, 2012·13 cites·8 claims
- 1582US10032995B2Compound having diazatriphenylene ring structure, and organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2014·Granted Jul 24, 2018·3 cites·16 claims
- 1682US5172898APaperboard feeding apparatusMITSUBISHI HEAVY IND LTD·Filed 1991·Granted Dec 22, 1992·29 cites·8 claims
- 1781US8695815B2Housing frame of electrical apparatusTAKAHASHI TAKEHIRO·Filed 2010·Granted Apr 15, 2014·7 cites·5 claims
- 1881US7984536B2Method of manufacturing a piezoelectric resonatorNIHON DEMPA KOGYO CO·Filed 2009·Granted Jul 26, 2011·9 cites·5 claims
- 1979US7690095B2Method for manufacturing quartz pieceNIHON DEMPA KOGYO CO·Filed 2007·Granted Apr 6, 2010·10 cites·5 claims
- 2078US11283026B2Compound having tetraazatriphenylene ring structure, light-emitting material, and organic electroluminescent deviceHODOGAYA CHEMICAL CO LTD·Filed 2015·Granted Mar 22, 2022·2 cites·14 claims
- 2178US10554420B2Wireless connections to a wireless access pointIBM·Filed 2018·Granted Feb 4, 2020·2 cites·13 claims
- 2277US8810112B2Piezoelectric devices and methods for manufacturing piezoelectric substrates used in such devicesTAKAHASHI TAKEHIRO·Filed 2011·Granted Aug 19, 2014·5 cites·16 claims
- 2376US9954687B2Establishing a wireless connection to a wireless access pointIBM·Filed 2015·Granted Apr 24, 2018·2 cites·17 claims
- 2476US8476811B2Piezoelectric device with tuning-fork type piezoelectric vibrating pieceMIZUSAWA SHUICHI·Filed 2011·Granted Jul 2, 2013·5 cites·16 claims
- 2575US12371771B2Plated steelNIPPON STEEL CORP·Filed 2022·Granted Jul 29, 2025·0 cites·7 claims
- 2675US9903004B2Hot-rolled steel sheet and method for manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Feb 27, 2018·1 cites·11 claims
- 2775US8319404B2Surface-mountable quartz-crystal devices and methods for manufacturing sameTAKAHASHI TAKEHIRO·Filed 2011·Granted Nov 27, 2012·4 cites·9 claims
- 2875US5406064AIC card and portable terminalHITACHI MAXELL·Filed 1993·Granted Apr 11, 1995·46 cites·16 claims
- 2974US8581476B2Quartz-crystal devices and methods for manufacturing sameAMANO YOSHIAKI·Filed 2011·Granted Nov 12, 2013·5 cites·16 claims
- 3074US5219157APaperboard feeding apparatusMITSUBISHI HEAVY IND LTD·Filed 1992·Granted Jun 15, 1993·20 cites·8 claims
- 3173US8416268B2Image display deviceTOMISAWA ISAO·Filed 2007·Granted Apr 9, 2013·7 cites·7 claims
- 3273US6384502B1Diskette incorporating permanent magnet generatorHITACHI METALS LTD·Filed 2000·Granted May 7, 2002·10 cites·23 claims
- 3372US12116688B2Ni-plated steel sheet, and method for manufacturing Ni-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Oct 15, 2024·0 cites·8 claims
- 3472US12071691B2Plated steel sheet for automobile structural membersNIPPON STEEL CORP·Filed 2021·Granted Aug 27, 2024·0 cites·8 claims
- 3572US8773005B2Quartz-crystal devices exhibiting reduced electrical impedanceMIZUSAWA SHUICHI·Filed 2011·Granted Jul 8, 2014·4 cites·7 claims
- 3672US7596851B2Method of manufacturing a quartz resonatorNIHON DEMPA KOGYO CO·Filed 2007·Granted Oct 6, 2009·6 cites·5 claims
- 3771US11773503B2Ni-plated steel sheet and method for manufacturing Ni-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Oct 3, 2023·0 cites·7 claims
- 3869US12440883B2Hot stamped memberNIPPON STEEL CORP·Filed 2022·Granted Oct 14, 2025·0 cites·3 claims
- 3968US12138886B2Plated steel sheet for hot stampingNIPPON STEEL CORP·Filed 2020·Granted Nov 12, 2024·0 cites·5 claims
- 4066US12021249B2Battery caseNIPPON STEEL CORP·Filed 2021·Granted Jun 25, 2024·0 cites·20 claims
- 4166US8896185B2Piezoelectric deviceTAKAHASHI TAKEHIRO·Filed 2011·Granted Nov 25, 2014·2 cites·17 claims
- 4265US11987863B2Plated steel sheetNIPPON STEEL CORP·Filed 2021·Granted May 21, 2024·0 cites·6 claims
- 4365US11965250B2Hot stamped steelNIPPON STEEL CORP·Filed 2020·Granted Apr 23, 2024·0 cites·4 claims
- 4465US7579762B2Piezoelectric vibrating piece and piezoelectric vibrating deviceNIHON DEMPA KOGYO CO·Filed 2007·Granted Aug 25, 2009·4 cites·20 claims
- 4565US2024093708A1Welded joint and automobile memberNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 4665US2024058888A1Welded joint and automobile memberNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 4764US12494533B2Battery case and method of production of sameNIPPON STEEL CORP·Filed 2020·Granted Dec 9, 2025·0 cites·19 claims
- 4864US11916243B2Cell case of secondary battery and battery moduleNIPPON STEEL CORP·Filed 2021·Granted Feb 27, 2024·0 cites·18 claims
- 4964US11618965B2Ni-plated steel sheet and method for manufacturing Ni-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Apr 4, 2023·0 cites·12 claims
- 5063US12031225B2Ni diffusion-plated steel sheet and method for manufacturing Ni diffusion-plated steel sheetNIPPON STEEL CORP·Filed 2019·Granted Jul 9, 2024·0 cites·5 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →