Inventor · disambiguated record

Yoshitada Namikawa

Also filed as: NAMIKAWA YOSHITADA

7 granted patents·0 citations·filing 2015–2019

67Inventor score

Technology areasG02B

Files withKEIWA INC7

Top patents by PatentIndex Score

7 records

0147US10459151B2Optical sheet for liquid crystal display device, and backlight unit for liquid crystal display deviceKEIWA INC·Filed 2017·Granted Oct 29, 2019·0 cites·5 claims
0245US11131799B2Backlight unit and liquid crystal display deviceKEIWA INC·Filed 2018·Granted Sep 28, 2021·0 cites·6 claims
0345US10754083B2Optical sheet for backlight unit and backlight unitKEIWA INC·Filed 2016·Granted Aug 25, 2020·0 cites·10 claims
0444US10466405B2Prism sheet for backlight unit and backlight unit for liquid crystal display deviceKEIWA INC·Filed 2017·Granted Nov 5, 2019·0 cites·7 claims
0542US10386567B2Optical sheet for liquid crystal display device, backlight unit for liquid crystal display device and production method of optical sheet for liquid crystal display deviceKEIWA INC·Filed 2017·Granted Aug 20, 2019·0 cites·11 claims
0639US10718892B2Backlight unit and liquid crystal display deviceKEIWA INC·Filed 2019·Granted Jul 21, 2020·0 cites·4 claims
0738US9823390B2Optical sheet and edge-lit backlight unitKEIWA INC·Filed 2015·Granted Nov 21, 2017·0 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →