Inventor · disambiguated record
Hirofumi Tokunaga
Also filed as: TOKUNAGA HIROFUMI
18 granted patents·12 pending applications·40 citations·filing 2013–2024
91Inventor score
Top patents by PatentIndex Score
30 records- 0196US11414339B2Alkali-free glassAGC INC·Filed 2020·Granted Aug 16, 2022·8 cites·18 claims
- 0291US12071370B2Glass substrate, black matrix substrate, and display panelAGC INC·Filed 2021·Granted Aug 27, 2024·2 cites·9 claims
- 0391US9902645B2Non-alkali glassASAHI GLASS CO LTD·Filed 2017·Granted Feb 27, 2018·6 cites·18 claims
- 0490US11897812B2Alkali-free glassAGC INC·Filed 2022·Granted Feb 13, 2024·1 cites·18 claims
- 0588US11053160B2Alkali-free glassAGC INC·Filed 2019·Granted Jul 6, 2021·5 cites·14 claims
- 0686US9540273B2Non-alkali glass and method for producing sameASAHI GLASS CO LTD·Filed 2015·Granted Jan 10, 2017·3 cites·8 claims
- 0783US9505650B2Non-alkali glass substrateASAHI GLASS CO LTD·Filed 2013·Granted Nov 29, 2016·6 cites·8 claims
- 0883US9382152B2Non-alkali glass and method for producing sameASAHI GLASS CO LTD·Filed 2014·Granted Jul 5, 2016·5 cites·8 claims
- 0980US2024140855A1Alkali-free glassAGC INC·Filed 2024·Application pending·0 cites
- 1080US2025011217A1GlassAGC INC·Filed 2024·Application pending·0 cites
- 1179US10822264B2Alkali-free glass substrate and method for manufacturing alkali-free glass substrateAGC INC·Filed 2017·Granted Nov 3, 2020·2 cites·13 claims
- 1275US10730786B2Alkali-free glass and method for producing the sameAGC INC·Filed 2019·Granted Aug 4, 2020·1 cites·20 claims
- 1374US9708211B2Alkali-free glass substrate and method for producing sameASAHI GLASS CO LTD·Filed 2015·Granted Jul 18, 2017·1 cites·9 claims
- 1470US12448319B2Alkali-free glassAGC INC·Filed 2021·Granted Oct 21, 2025·0 cites·52 claims
- 1568US12448320B2Alkali-free glassAGC INC·Filed 2021·Granted Oct 21, 2025·0 cites·55 claims
- 1667US12122713B2GlassAGC INC·Filed 2020·Granted Oct 22, 2024·0 cites·21 claims
- 1767US12017953B2Alkali-free glassAGC INC·Filed 2020·Granted Jun 25, 2024·0 cites·9 claims
- 1860US2024417310A1Alkali-free glass and glass sheetAGC INC·Filed 2024·Application pending·0 cites
- 1959US9963379B2Alkali-free glass substrate and method for producing sameASAHI GLASS CO LTD·Filed 2017·Granted May 8, 2018·0 cites·12 claims
- 2058US2024199469A1Alkali-free glassAGC INC·Filed 2024·Application pending·0 cites
- 2155US2023223493A1Substrate for led element and image display deviceAGC INC·Filed 2023·Application pending·0 cites
- 2254US11066325B2Alkali-free glassAGC INC·Filed 2018·Granted Jul 20, 2021·0 cites·10 claims
- 2354US9663395B2Alkali-free glass and alkali-free glass plate using sameASAHI GLASS CO LTD·Filed 2014·Granted May 30, 2017·0 cites·24 claims
- 2449US2015072130A1Alkali-free glass substrate and method for reducing thickness of alkali-free glass substrateASAHI GLASS CO LTD·Filed 2014·Application pending·0 cites
- 2549US2014287905A1Method for manufacturing alkali-free glassASAHI GLASS CO LTD·Filed 2014·Application pending·0 cites
- 2649US2015087495A1Alkali-free glass and method for producing sameASAHI GLASS CO LTD·Filed 2014·Application pending·0 cites
- 2749US2015087494A1Alkali-free glass and method for producing sameASAHI GLASS CO LTD·Filed 2014·Application pending·0 cites
- 2849US2014366581A1Production method for non-alkali glassASAHI GLASS CO LTD·Filed 2014·Application pending·0 cites
- 2946US2015045201A1Non-alkali glass and method for producing sameASAHI GLASS CO LTD·Filed 2014·Application pending·0 cites
- 3042US2017066682A1Alkali-free float sheet glass, and method for producing alkali-free float sheet glassASAHI GLASS CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →