Assignee
V TECH CO LTD
JP·53 granted patents·37 pending applications·52 citations·filing 2013–2022
Top patents by PatentIndex Score
90 records- 0194US10173240B2Mask and method for manufacturing the sameV TECH CO LTD·Filed 2016·Granted Jan 8, 2019·6 cites·2 claims
- 0293US10920311B2Deposition mask, method for manufacturing the same, and method for repairing the sameV TECH CO LTD·Filed 2018·Granted Feb 16, 2021·11 cites·15 claims
- 0392US9844835B2Production method for deposition mask and deposition maskV TECH CO LTD·Filed 2015·Granted Dec 19, 2017·5 cites·5 claims
- 0491US10533246B2Deposition mask, method for manufacturing the same, and touch panelV TECH CO LTD·Filed 2016·Granted Jan 14, 2020·9 cites·10 claims
- 0591US10195838B2Method for producing deposition maskV TECH CO LTD·Filed 2015·Granted Feb 5, 2019·7 cites·2 claims
- 0686US9555434B2Deposition mask, producing method therefor and forming method for thin film patternV TECH CO LTD·Filed 2016·Granted Jan 31, 2017·2 cites·3 claims
- 0784US11953447B2Defective part recognition device and defective part recognition methodV TECH CO LTD·Filed 2020·Granted Apr 9, 2024·1 cites·7 claims
- 0881US10337096B2Method for manufacturing deposition mask and deposition maskV TECH CO LTD·Filed 2016·Granted Jul 2, 2019·1 cites·5 claims
- 0980US10053767B2Deposition mask and method for producing deposition maskV TECH CO LTD·Filed 2015·Granted Aug 21, 2018·1 cites·2 claims
- 1076US10208373B2Production method for deposition maskV TECH CO LTD·Filed 2015·Granted Feb 19, 2019·1 cites·6 claims
- 1175US9555433B2Deposition mask, producing method therefor and forming method for thin film patternV TECH CO LTD·Filed 2016·Granted Jan 31, 2017·2 cites·2 claims
- 1274US10312351B2Laser annealing method, laser annealing apparatus, and manufacturing process for thin film transistorV TECH CO LTD·Filed 2017·Granted Jun 4, 2019·1 cites·3 claims
- 1371US10626491B2Method for manufacturing deposition mask and deposition maskV TECH CO LTD·Filed 2018·Granted Apr 21, 2020·0 cites·3 claims
- 1471US10211343B2Thin film transistor, manufacturing process for thin film transistor, and laser annealing apparatusV TECH CO LTD·Filed 2017·Granted Feb 19, 2019·1 cites·1 claims
- 1570US9586225B2Deposition mask, producing method therefor and forming method for thin film patternV TECH CO LTD·Filed 2015·Granted Mar 7, 2017·1 cites·11 claims
- 1667US10301716B2Deposition mask and method for producing deposition maskV TECH CO LTD·Filed 2018·Granted May 28, 2019·0 cites·6 claims
- 1765US12303998B2Laser repair method and laser repair deviceV TECH CO LTD·Filed 2020·Granted May 20, 2025·0 cites·8 claims
- 1864US9746435B2Nondestructive inspection apparatus and inspection system of structureV TECH CO LTD·Filed 2014·Granted Aug 29, 2017·1 cites·20 claims
- 1963US10035162B2Deposition mask for forming thin-film patternsV TECH CO LTD·Filed 2013·Granted Jul 31, 2018·1 cites·5 claims
- 2062US10651294B2Laser annealing method, laser annealing apparatus, and manufacturing process for thin film transistorV TECH CO LTD·Filed 2019·Granted May 12, 2020·0 cites·2 claims
- 2162US10644133B2Laser annealing method, laser annealing apparatus, and manufacturing process for thin film transistorV TECH CO LTD·Filed 2019·Granted May 5, 2020·0 cites·2 claims
- 2260US11935259B2Microscope image measuring device and microscope image measuring methodV TECH CO LTD·Filed 2020·Granted Mar 19, 2024·0 cites·8 claims
- 2360US10622484B2Thin film transistor, manufacturing process for thin film transistor, and laser annealing apparatusV TECH CO LTD·Filed 2018·Granted Apr 14, 2020·0 cites·3 claims
- 2460US10535778B2Thin film transistor, manufacturing process for thin film transistor, and laser annealing apparatusV TECH CO LTD·Filed 2019·Granted Jan 14, 2020·0 cites·3 claims
- 2559US10768529B2Proximity exposure methodV TECH CO LTD·Filed 2017·Granted Sep 8, 2020·1 cites·3 claims
- 2658US12456599B2Metal pattern inspection method and focused ion beam apparatusV TECH CO LTD·Filed 2021·Granted Oct 28, 2025·0 cites·11 claims
- 2758US10971361B2Laser annealing method, laser annealing apparatus, and thin film transistor substrateV TECH CO LTD·Filed 2019·Granted Apr 6, 2021·0 cites·3 claims
- 2856US12481221B2Projection exposure device and projection exposure methodV TECH CO LTD·Filed 2021·Granted Nov 25, 2025·0 cites·5 claims
- 2956US9427915B2Exposure deviceV TECH CO LTD·Filed 2015·Granted Aug 30, 2016·0 cites·15 claims
- 3055US12370623B2Laser repair method and laser repair deviceV TECH CO LTD·Filed 2020·Granted Jul 29, 2025·0 cites·9 claims
- 3155US10950437B2Laser annealing method, laser annealing apparatus, and thin film transistor substrateV TECH CO LTD·Filed 2018·Granted Mar 16, 2021·0 cites·3 claims
- 3255US2020171602A1Laser annealing device and laser annealing methodV TECH CO LTD·Filed 2020·Application pending·0 cites
- 3354US9513563B2Exposure head and exposure deviceV TECH CO LTD·Filed 2014·Granted Dec 6, 2016·0 cites·16 claims
- 3454US2024242924A1Focused ion beam systemV TECH CO LTD·Filed 2022·Application pending·0 cites
- 3554US2024371598A1Focused ion beam systemV TECH CO LTD·Filed 2022·Application pending·0 cites
- 3653US12354828B2Focused ion beam systemV TECH CO LTD·Filed 2021·Granted Jul 8, 2025·0 cites·5 claims
- 3752US11791160B2Polycrystalline film, method for forming polycrystalline film, laser crystallization device and semiconductor deviceV TECH CO LTD·Filed 2020·Granted Oct 17, 2023·0 cites·19 claims
- 3851US10896978B2Oxide semiconductor device and method for manufacturing sameV TECH CO LTD·Filed 2017·Granted Jan 19, 2021·0 cites·3 claims
- 3951US10608115B2Laser beam irradiation device, thin-film transistor, and method of manufacturing thin-film transistorV TECH CO LTD·Filed 2019·Granted Mar 31, 2020·0 cites·7 claims
- 4050US10840095B2Laser irradiation device, thin-film transistor and thin-film transistor manufacturing methodV TECH CO LTD·Filed 2019·Granted Nov 17, 2020·0 cites·18 claims
- 4149US12557603B2Laser repair method and laser repair deviceV TECH CO LTD·Filed 2020·Granted Feb 17, 2026·0 cites·2 claims
- 4248US12537164B2Process apparatus including differential pumping device and focused ion beam columnV TECH CO LTD·Filed 2021·Granted Jan 27, 2026·0 cites·10 claims
- 4348US9962793B2Method for producing deposition maskV TECH CO LTD·Filed 2015·Granted May 8, 2018·0 cites·4 claims
- 4448US2023049349A1Surface analysis method and surface analysis deviceV TECH CO LTD·Filed 2020·Application pending·0 cites
- 4548US2017099737A1Deposition method and apparatusV TECH CO LTD·Filed 2016·Application pending·0 cites
- 4647US10896817B2Laser irradiation apparatus, thin film transistor, and method of manufacturing thin film transistorV TECH CO LTD·Filed 2019·Granted Jan 19, 2021·0 cites·18 claims
- 4747US9687937B2Laser annealing method and laser annealing apparatusV TECH CO LTD·Filed 2015·Granted Jun 27, 2017·0 cites·2 claims
- 4847US2020144303A1Thin film transistor substrate and method for producing thin film transistor substrateV TECH CO LTD·Filed 2020·Application pending·0 cites
- 4947US2020379282A1Photo-aligning exposure deviceV TECH CO LTD·Filed 2018·Application pending·0 cites
- 5046US12444567B2Focused charged particle beam apparatusV TECH CO LTD·Filed 2021·Granted Oct 14, 2025·0 cites·7 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when V TECH CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →