Inventor · disambiguated record
Takaaki Koyama
Also filed as: KOYAMA TAKAAKI
21 granted patents·11 pending applications·144 citations·filing 2001–2022
92Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE12SEIKO EPSON CORP8KOYAMA TAKAAKI3NTT INC3SHINAGAWA REFRACTORIES CO2
Top patents by PatentIndex Score
32 records- 0194US6974217B2Projector executing keystone correctionSEIKO EPSON CORP·Filed 2003·Granted Dec 13, 2005·63 cites·10 claims
- 0287US6932481B2Projection display system, projector and menu image display method for sameSEIKO EPSON CORP·Filed 2004·Granted Aug 23, 2005·29 cites·7 claims
- 0385US6840625B2Projection display system, projector and menu image display method for sameSEIKO EPSON CORP·Filed 2001·Granted Jan 11, 2005·27 cites·17 claims
- 0484US8817351B2Optical deflector including piezoelectric sensor on fixed frameKOYAMA TAKAAKI·Filed 2012·Granted Aug 26, 2014·8 cites·15 claims
- 0578US8922861B2Two-dimensional optical deflector apparatus using curved-type saw-tooth drive voltagesKOYAMA TAKAAKI·Filed 2012·Granted Dec 30, 2014·5 cites·12 claims
- 0677US10558033B2Light deflectorSTANLEY ELECTRIC CO LTD·Filed 2019·Granted Feb 11, 2020·3 cites·4 claims
- 0775US8573781B2Projector and control method for the sameKOYAMA TAKAAKI·Filed 2008·Granted Nov 5, 2013·5 cites·14 claims
- 0861US9632616B2Interactive system, control method for interactive system, and projectorSEIKO EPSON CORP·Filed 2013·Granted Apr 25, 2017·1 cites·7 claims
- 0960US9715285B2Position detection apparatus and position detection methodSEIKO EPSON CORP·Filed 2015·Granted Jul 25, 2017·1 cites·17 claims
- 1059US10972490B2Specifying system, specifying device, and specifying methodNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Apr 6, 2021·1 cites·8 claims
- 1158US10616270B2Optimization apparatus, optimization method, and optimization programNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Apr 7, 2020·1 cites·9 claims
- 1251US12493476B2Monitoring device, monitoring method, and monitoring programNTT INC·Filed 2021·Granted Dec 9, 2025·0 cites·8 claims
- 1351US11016707B2Control device, control method, and recording medium to detect a state of access to table data and set a writing destinationNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted May 25, 2021·0 cites·7 claims
- 1451US9875525B2Image processing device, projector, and image processing methodSEIKO EPSON CORP·Filed 2014·Granted Jan 23, 2018·0 cites·12 claims
- 1551US2017285769A1Position detection apparatus and position detection methodSEIKO EPSON CORP·Filed 2017·Application pending·0 cites
- 1651US2024267398A1Detection device, detection method, and detection programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 1750US11133137B2Operation deviceDENSO CORP·Filed 2020·Granted Sep 28, 2021·0 cites·5 claims
- 1849US2025385733A1Monitoring device, monitoring method, and monitoring programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1947US2015143911A1Physical/chemical sensor and method for measuring specific substanceNAT UNIVERSITY CORP·Filed 2014·Application pending·0 cites
- 2046US10321106B2Position detection apparatus and contrast adjustment method used with the sameSEIKO EPSON CORP·Filed 2017·Granted Jun 11, 2019·0 cites·10 claims
- 2146US2025094643A1Detection device, detection method, and detection programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 2245US12438787B2Analysis device, analysis system, analysis method, and analysis programNTT INC·Filed 2021·Granted Oct 7, 2025·0 cites·7 claims
- 2345US2010152321A1Hot casting repair mixSHINAGAWA REFRACTORIES CO·Filed 2008·Application pending·0 cites
- 2444US2011034317A1Hot gunning repair mixSHINAGAWA REFRACTORIES CO·Filed 2008·Application pending·0 cites
- 2543US11176252B2Intrusion prevention device, intrusion prevention method, and intrusion prevention programNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Nov 16, 2021·0 cites·6 claims
- 2643US2024205117A1Analysis device, analysis method, and analysis programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2740US2024220451A1File confirmation device, file confirmation method, and file confirmation programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2838US12506752B2Traffic sensor, analysis method, and analysis programNTT INC·Filed 2021·Granted Dec 23, 2025·0 cites·9 claims
- 2938US2023308418A1Communication network system, management apparatus, server apparatus, whitelist updating method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
- 3037US2009092565A1Dental enamel recalcification accelerator and containing the same, oral composition and food or beverageLOTTE CO LTD·Filed 2005·Application pending·0 cites
- 3136US11050776B2Security measure invalidation prevention device, security measure invalidation prevention method, and security measure invalidation prevention programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jun 29, 2021·0 cites·16 claims
- 3235US10181031B2Control device, control system, control method, and control programNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Jan 15, 2019·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →