Inventor · disambiguated record
Akihiro Muramatsu
Also filed as: MURAMATSU AKIHIRO
29 granted patents·6 pending applications·129 citations·filing 1998–2025
95Inventor score
Files withMITSUI CHEMICALS INC18ZEISS CARL VISION INT GMBH6YAMAHA CORP3MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2TOYOTA MOTOR CO LTD2
Top patents by PatentIndex Score
35 records- 0189US6381203B1Optical disk reproducing method and apparatusYAMAHA CORP·Filed 2000·Granted Apr 30, 2002·28 cites·7 claims
- 0287US6747924B1Optical disk reproduction apparatusYAMAHA CORP·Filed 2000·Granted Jun 8, 2004·25 cites·10 claims
- 0385US11886048B2Lens and eyewearMITSUI CHEMICALS INC·Filed 2022·Granted Jan 30, 2024·1 cites·16 claims
- 0480USD854607SEyeglasses componentMITSUI CHEMICALS INC·Filed 2017·Granted Jul 23, 2019·19 cites·1 claims
- 0575US7403099B2Smart key systemDENSO CORP·Filed 2005·Granted Jul 22, 2008·10 cites·12 claims
- 0673US10423011B2Lens, lens blank, and eyewearMITSUI CHEMICALS INC·Filed 2016·Granted Sep 24, 2019·2 cites·17 claims
- 0772US10859865B2Lens, lens blank, and eyewearMITSUI CHEMICALS INC·Filed 2017·Granted Dec 8, 2020·1 cites·16 claims
- 0871US12055796B2Lens and method for manufacturing lensZEISS CARL VISION INT GMBH·Filed 2019·Granted Aug 6, 2024·1 cites·11 claims
- 0971US11249327B2Lens and eyewearMITSUI CHEMICALS INC·Filed 2017·Granted Feb 15, 2022·1 cites·11 claims
- 1070US6160772ATilt control device for an optical disk deviceYAMAHA CORP·Filed 1998·Granted Dec 12, 2000·23 cites·6 claims
- 1166US11425977B2Eyewear caseMITSUI CHEMICALS INC·Filed 2017·Granted Aug 30, 2022·1 cites·10 claims
- 1266USD954814SSpectaclesMITSUI CHEMICALS INC·Filed 2020·Granted Jun 14, 2022·2 cites·1 claims
- 1365US11314119B2Lens, lens blank, and eyewearMITSUI CHEMICALS INC·Filed 2020·Granted Apr 26, 2022·0 cites·5 claims
- 1462US2025276668A1Vehicle, server, and vehicle control systemTOYOTA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 1561USD1049210SSpectacle frameZEISS CARL VISION INT GMBH·Filed 2022·Granted Oct 29, 2024·1 cites·1 claims
- 1661USD1048162SSpectacle frameZEISS CARL VISION INT GMBH·Filed 2022·Granted Oct 22, 2024·1 cites·1 claims
- 1761USD1046954SSpectacle frameZEISS CARL VISION INT GMBH·Filed 2022·Granted Oct 15, 2024·1 cites·1 claims
- 1859US12210222B2Frame and eyewearZEISS CARL VISION INT GMBH·Filed 2020·Granted Jan 28, 2025·0 cites·15 claims
- 1956US11934045B2Eyewear, and non-transitory computer-readable recording mediumMITSUI CHEMICALS INC·Filed 2019·Granted Mar 19, 2024·0 cites·10 claims
- 2056US7460307B2Projector lens systemPANASONIC CORP·Filed 2005·Granted Dec 2, 2008·2 cites·8 claims
- 2155US11953757B2EyewearMITSUI CHEMICALS INC·Filed 2019·Granted Apr 9, 2024·0 cites·7 claims
- 2253US12162433B2Vehicle, vehicle control method, and non-transitory recording mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted Dec 10, 2024·0 cites·3 claims
- 2352US11513368B2Lens unitMITSUI CHEMICALS INC·Filed 2019·Granted Nov 29, 2022·0 cites·16 claims
- 2450US11614641B2EyewearMITSUI CHEMICALS INC·Filed 2018·Granted Mar 28, 2023·0 cites·8 claims
- 2550USD558813SOptical lensMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 1, 2008·7 cites·1 claims
- 2649US6650484B2Zoom lens, and its manufacturing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 18, 2003·3 cites·6 claims
- 2748US8979262B2Semi-finished blank for varifocal lens, varifocal lens, and varifocal eyeglassesMITSUI CHEMICALS INC·Filed 2013·Granted Mar 17, 2015·0 cites·6 claims
- 2846USD1049209SSpectacle frameZEISS CARL VISION INT GMBH·Filed 2022·Granted Oct 29, 2024·0 cites·1 claims
- 2944US2021041723A1Eyewear systemMITSUI CHEMICALS INC·Filed 2019·Application pending·0 cites
- 3042US8121713B2Electronic apparatus, method for generating digital signal, digital signal recording medium, and signal processing apparatusMURAMATSU AKIHIRO·Filed 2005·Granted Feb 21, 2012·0 cites·8 claims
- 3142US2020133025A1EyewearMITSUI CHEMICALS INC·Filed 2018·Application pending·0 cites
- 3241US2020026098A1Lens, lens blank, and eyewearMITSUI CHEMICALS INC·Filed 2017·Application pending·0 cites
- 3340US2021132418A1EyewearMITSUI CHEMICALS INC·Filed 2018·Application pending·0 cites
- 3439US2012154741A1Semi-finished blank for varifocal lens, varifocal lens, and varifocal eyeglassesSONE KOUJI·Filed 2011·Application pending·0 cites
- 3538USD983865SSpectaclesMITSUI CHEMICALS INC·Filed 2021·Granted Apr 18, 2023·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →