Inventor · disambiguated record
Guangchun Bian
Also filed as: BIAN GUANGCHUN
3 granted patents·5 pending applications·3 citations·filing 2016–2023
51Inventor score
Files withTOMEY CORP8
Top patents by PatentIndex Score
8 records- 0170US10264966B2Ophthalmic deviceTOMEY CORP·Filed 2016·Granted Apr 23, 2019·3 cites·8 claims
- 0252US2023284901A1Ophthalmic deviceTOMEY CORP·Filed 2023·Application pending·0 cites
- 0345US11229359B2Ophthalmological deviceTOMEY CORP·Filed 2019·Granted Jan 25, 2022·0 cites·6 claims
- 0437US2018058978A1LensmeterTOMEY CORP·Filed 2017·Application pending·0 cites
- 0537US2017238799A1Ophthalmic deviceTOMEY CORP·Filed 2017·Application pending·0 cites
- 0637US2020260953A1Ophthalmic deviceTOMEY CORP·Filed 2020·Application pending·0 cites
- 0736US11064880B2Eye refractive power measuring device and method of measuring eye refractive powerTOMEY CORP·Filed 2019·Granted Jul 20, 2021·0 cites·20 claims
- 0836US2018052075A1LensmeterTOMEY CORP·Filed 2017·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →