Inventor · disambiguated record
Yoshihisa Yokokawa
Also filed as: YOKOKAWA YOSHIHISA
8 granted patents·4 pending applications·86 citations·filing 1997–2021
84Inventor score
Top patents by PatentIndex Score
12 records- 0173US9755126B2Light source unitUSHIO ELECTRIC INC·Filed 2013·Granted Sep 5, 2017·4 cites·17 claims
- 0273US5889366AFluorescent lamp of the external electrode type and irradiation unitUSHIO ELECTRIC INC·Filed 1997·Granted Mar 30, 1999·29 cites·3 claims
- 0372US6084360ADevice for operation of a discharge lampUSHIO ELECTRIC INC·Filed 1998·Granted Jul 4, 2000·36 cites·9 claims
- 0458US9994045B2Light irradiation apparatus including a light shieldUSHIO ELECTRIC INC·Filed 2015·Granted Jun 12, 2018·1 cites·11 claims
- 0551US11569426B2Light irradiation unit and light irradiation deviceUSHIO ELECTRIC INC·Filed 2021·Granted Jan 31, 2023·0 cites·9 claims
- 0648US8562171B2LED linear light source and reading apparatusKAMEI KOICHI·Filed 2010·Granted Oct 22, 2013·1 cites·7 claims
- 0748US5977722ADevice for applying particular voltage waveform for operating a discharge lampUSHIO ELECTRIC INC·Filed 1997·Granted Nov 2, 1999·15 cites·17 claims
- 0847US2010052493A1Rare gas discharge lamp apparatusUSHIO ELECTRIC INC·Filed 2009·Application pending·0 cites
- 0943US2010103681A1Illumination deviceUSHIO ELECTRIC INC·Filed 2009·Application pending·0 cites
- 1040US2016290608A1Light source deviceUSHIO ELECTRIC INC·Filed 2014·Application pending·0 cites
- 1135US9496244B2Light emitting module and light irradiating apparatusUSHIO ELECTRIC INC·Filed 2015·Granted Nov 15, 2016·0 cites·16 claims
- 1234US2011149590A1Linear light sourceUSHIO ELECTRIC INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →