Assignee
CDGM GLASS CO LTD
CN·37 granted patents·18 pending applications·82 citations·filing 2009–2025
Top patents by PatentIndex Score
55 records- 0195US11332404B2Microcrystalline glass, microcrystalline glass product, and manufacturing method thereforCDGM GLASS CO LTD·Filed 2020·Granted May 17, 2022·3 cites·30 claims
- 0294US10913681B2Glass-ceramic article and glass-ceramic for electronic device cover plateCDGM GLASS CO LTD·Filed 2020·Granted Feb 9, 2021·5 cites·30 claims
- 0394US9487432B2High refractivity and high dispersion optical glass, element and instrumentCDGM GLASS CO LTD·Filed 2015·Granted Nov 8, 2016·16 cites·12 claims
- 0493US10287205B2Optical glassCDGM GLASS CO LTD·Filed 2016·Granted May 14, 2019·14 cites·16 claims
- 0593US10259738B2Optical glassCDGM GLASS CO LTD·Filed 2016·Granted Apr 16, 2019·8 cites·11 claims
- 0692US11548808B2Microcrystalline glass, microcrystalline glass product and manufacturing method thereofCDGM GLASS CO LTD·Filed 2021·Granted Jan 10, 2023·3 cites·30 claims
- 0789US11807569B2Microcrystalline glass, microcrystalline glass product, and manufacturing method thereforCDGM GLASS CO LTD·Filed 2022·Granted Nov 7, 2023·1 cites·30 claims
- 0889US10676390B2Glass-ceramic article and glass-ceramic for electronic device cover plateCDGM GLASS CO LTD·Filed 2018·Granted Jun 9, 2020·6 cites·28 claims
- 0988US9169152B2Optical glass and optical elementCDGM GLASS CO LTD·Filed 2012·Granted Oct 27, 2015·11 cites·20 claims
- 1084US11878938B2Optical glass, glass preform, optical element and optical instrument having the sameCDGM GLASS CO LTD·Filed 2018·Granted Jan 23, 2024·2 cites·19 claims
- 1182US10442722B2Optical glassCDGM GLASS CO LTD·Filed 2016·Granted Oct 15, 2019·2 cites·10 claims
- 1279US11958769B2Optical glass, glass preform or optical element made therefrom, and optical instrumentCDGM GLASS CO LTD·Filed 2018·Granted Apr 16, 2024·1 cites·20 claims
- 1378US2024025801A1Microcrystalline glass, microcrystalline glass product, and manufacturing method thereforCDGM GLASS CO LTD·Filed 2023·Application pending·0 cites
- 1475US11680009B2Glass-ceramic and substrate thereofCDGM GLASS CO LTD·Filed 2018·Granted Jun 20, 2023·1 cites·23 claims
- 1574US8367575B2High-refractivity low-dispersion optical glassCDGM GLASS CO LTD·Filed 2009·Granted Feb 5, 2013·4 cites·21 claims
- 1671US8778821B2Optical glass and optical elementCDGM GLASS CO LTD·Filed 2012·Granted Jul 15, 2014·2 cites·14 claims
- 1770US10160686B2Optical glass, optical preform and optical elementCDGM GLASS CO LTD·Filed 2017·Granted Dec 25, 2018·1 cites·20 claims
- 1870US2023174413A1Microcrystalline glass, and microcrystalline glass product and manufacturing method thereforCDGM GLASS CO LTD·Filed 2023·Application pending·0 cites
- 1968US2023286856A1Glass-ceramic and substrate thereofCDGM GLASS CO LTD·Filed 2023·Application pending·0 cites
- 2068US2025011221A1Glass, glass element and optical filterCDGM GLASS CO LTD·Filed 2024·Application pending·0 cites
- 2167US10822266B2Optical glass, optical preform and optical elementCDGM GLASS CO LTD·Filed 2018·Granted Nov 3, 2020·0 cites·20 claims
- 2267US2025326682A1Photosensitive glass material, photosensitive microcrystalline glass and photosensitive microcrystalline glass productCDGM GLASS CO LTD·Filed 2024·Application pending·0 cites
- 2365US12145880B2Fluorophosphate optical glass, and optical preform, element and instrumentCDGM GLASS CO LTD·Filed 2018·Granted Nov 19, 2024·0 cites·21 claims
- 2465US9346704B2Optical glassCDGM GLASS CO LTD·Filed 2013·Granted May 24, 2016·1 cites·30 claims
- 2565US2023295035A1Microcrystalline glass, and microcrystalline glass product and manufacturing method thereforCDGM GLASS CO LTD·Filed 2022·Application pending·0 cites
- 2664US9828281B2Fluorophosphate optical glassCDGM GLASS CO LTD·Filed 2015·Granted Nov 28, 2017·1 cites·20 claims
- 2764US2023312404A1Microcrystalline glass, microcrystalline glass product and manufacturing method thereofCDGM GLASS CO LTD·Filed 2021·Application pending·0 cites
- 2863US2024076227A1Optical glass, glass preform, optical element and optical instrumentCDGM GLASS CO LTD·Filed 2023·Application pending·0 cites
- 2962US11952311B2Optical glass, glass prefabricated member or optical element prepared therefrom, and optical instrumentCDGM GLASS CO LTD·Filed 2018·Granted Apr 9, 2024·0 cites·20 claims
- 3060US2025034030A1Optical glass, optical element, and optical deviceCDGM GLASS CO LTD·Filed 2024·Application pending·0 cites
- 3160US2025270132A1Microcrystalline glass, microcrystalline glass product and manufacturing method thereofCDGM GLASS CO LTD·Filed 2023·Application pending·0 cites
- 3259US9988296B2Optical glass and optical elementCDGM GLASS CO LTD·Filed 2017·Granted Jun 5, 2018·0 cites·15 claims
- 3359US2024343634A1Optical glass, glass preform, optical element and optical instrumentCDGM GLASS CO LTD·Filed 2022·Application pending·0 cites
- 3459US2026056349A1Optical glass, optical element and optical instrumentCDGM GLASS CO LTD·Filed 2025·Application pending·0 cites
- 3557US10487004B2Optical glass and optical elementCDGM GLASS CO LTD·Filed 2016·Granted Nov 26, 2019·0 cites·13 claims
- 3657US2022112120A1Glass, and glass product and preparation method thereforCDGM GLASS CO LTD·Filed 2021·Application pending·0 cites
- 3756US2024067557A1Optical glass, glass preform, optical element and optical instrumentCDGM GLASS CO LTD·Filed 2023·Application pending·0 cites
- 3856US2024174548A1Glass materialCDGM GLASS CO LTD·Filed 2023·Application pending·0 cites
- 3954US12358832B2Glass and glass productCDGM GLASS CO LTD·Filed 2020·Granted Jul 15, 2025·0 cites·34 claims
- 4054US10435326B2Optical glass, glass preform, optical element and optical instrumentCDGM GLASS CO LTD·Filed 2017·Granted Oct 8, 2019·0 cites·13 claims
- 4154US9580351B2Optical glass for precision molding, prefabricated glass, optical element and optical instrumentCDGM GLASS CO LTD·Filed 2013·Granted Feb 28, 2017·0 cites·30 claims
- 4253US10252934B2Optical glass, glass preform and optical elementCDGM GLASS CO LTD·Filed 2017·Granted Apr 9, 2019·0 cites·19 claims
- 4352US10494294B2Optical glass and optical elementCDGM GLASS CO LTD·Filed 2016·Granted Dec 3, 2019·0 cites·13 claims
- 4452US10343947B2Optical glass, glass preform and optical elementCDGM GLASS CO LTD·Filed 2017·Granted Jul 9, 2019·0 cites·17 claims
- 4552US2024409453A1Glass compositionCDGM GLASS CO LTD·Filed 2022·Application pending·0 cites
- 4650US11440836B2Glass compositionCDGM GLASS CO LTD·Filed 2019·Granted Sep 13, 2022·0 cites·20 claims
- 4750US10252939B2High-hardness transparent glass ceramic and preparation method thereforeCDGM GLASS CO LTD·Filed 2015·Granted Apr 9, 2019·0 cites·10 claims
- 4849US9950947B2Optical glass and optical elementCDGM GLASS CO LTD·Filed 2015·Granted Apr 24, 2018·0 cites·17 claims
- 4948US11440835B2Glass compositionCDGM GLASS CO LTD·Filed 2018·Granted Sep 13, 2022·0 cites·13 claims
- 5048US9321673B2Near-infrared absorption glass, element and filterCDGM GLASS CO LTD·Filed 2012·Granted Apr 26, 2016·0 cites·21 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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