Inventor · disambiguated record
Koji Miyasaka
Also filed as: MIYASAKA KOJI
21 granted patents·7 pending applications·231 citations·filing 2002–2021
93Inventor score
Top patents by PatentIndex Score
28 records- 0193US6865484B2Satellite position measurement systemMITSUI BUSSAN·Filed 2002·Granted Mar 8, 2005·155 cites·8 claims
- 0289US8599484B2Diffractive optical element and measuring deviceMIYASAKA KOJI·Filed 2011·Granted Dec 3, 2013·12 cites·10 claims
- 0388US9939561B2Projector having diffuserASAHI GLASS CO LTD·Filed 2015·Granted Apr 10, 2018·5 cites·24 claims
- 0487US9052512B2Diffractive optical element and measuring apparatusMIYASAKA KOJI·Filed 2012·Granted Jun 9, 2015·10 cites·14 claims
- 0583US9477018B2Diffractive optical element and measurement deviceASAHI GLASS CO LTD·Filed 2013·Granted Oct 25, 2016·6 cites·20 claims
- 0683US8995057B2Diffractive optical element and measurement instrumentMIYASAKA KOJI·Filed 2011·Granted Mar 31, 2015·7 cites·20 claims
- 0776US8279737B2Diffraction grating, aberration correction element and optical head deviceMIYASAKA KOJI·Filed 2011·Granted Oct 2, 2012·3 cites·22 claims
- 0869US7755834B2Wavelength-selective diffraction element and optical head device incorporating the sameASAHI GLASS CO LTD·Filed 2008·Granted Jul 13, 2010·5 cites·18 claims
- 0968US9829782B2Screen for image light projection and display systemASAHI GLASS CO LTD·Filed 2017·Granted Nov 28, 2017·1 cites·19 claims
- 1063US9897438B2Diffraction optical element, projection device, and measurement deviceASAHI GLASS CO LTD·Filed 2016·Granted Feb 20, 2018·1 cites·19 claims
- 1162US6791492B2GPS positioning systemMITSUI BUSSAN·Filed 2002·Granted Sep 14, 2004·19 cites·16 claims
- 1254US8437238B2Diffraction grating, aberration correction element and optical head deviceMIYASAKA KOJI·Filed 2012·Granted May 7, 2013·0 cites·20 claims
- 1354US8040781B2Wavelength selecting wavelength plate and optical head device using itASAHI GLASS CO LTD·Filed 2009·Granted Oct 18, 2011·0 cites·5 claims
- 1454US2010091634A1Optical head deviceASAHI GLASS CO LTD·Filed 2009·Application pending·0 cites
- 1553US2009016191A1Optical head deviceASAHI GLASS CO LTD·Filed 2008·Application pending·0 cites
- 1649US11598972B2Diffractive optical element, projection device and measuring deviceAGC INC·Filed 2019·Granted Mar 7, 2023·0 cites·19 claims
- 1749US2020039182A1Laminated body and production method thereforAGC INC·Filed 2019·Application pending·0 cites
- 1847US8451704B2Reflection type wavelength plate and optical head deviceMIYASAKA KOJI·Filed 2012·Granted May 28, 2013·0 cites·20 claims
- 1947US6882305B2Method and apparatus for determining positionTOPCON CORP·Filed 2002·Granted Apr 19, 2005·7 cites·18 claims
- 2047US2021041656A1Optical element, optical system, and imaging deviceAGC INC·Filed 2020·Application pending·0 cites
- 2146US2015138638A1Optical elementASAHI GLASS CO LTD·Filed 2014·Application pending·0 cites
- 2245US10921501B2Infrared-light transmission filter and devices containing the infrared-light transmission filterAGC INC·Filed 2017·Granted Feb 16, 2021·0 cites·17 claims
- 2343US11489990B2Optical element, optical system, and imaging apparatusAGC INC·Filed 2020·Granted Nov 1, 2022·0 cites·20 claims
- 2441US11740426B2Optical element, optical system and optical deviceAGC INC·Filed 2021·Granted Aug 29, 2023·0 cites·20 claims
- 2540US9921371B2Light guide element and image display deviceASAHI GLASS CO LTD·Filed 2016·Granted Mar 20, 2018·0 cites·20 claims
- 2640US8295143B2Aberration correcting device, optical device, and optical head deviceMIYASAKA KOJI·Filed 2011·Granted Oct 23, 2012·0 cites·31 claims
- 2738US2012112048A1Composite optical element and optical head deviceMIYASAKA KOJI·Filed 2012·Application pending·0 cites
- 2833US2004044474A1Satellite positioning systemFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →