Suwanee, Georgia
United States
6
2023-01-05
The entities that hold a legal rights for patent applications filed by inventor Pi Ying:
Ying Pi from Suwanee, US has applied for patents for these inventions. The list has both pending applications and granted patents:
DIFFRACTIVE CONTACT LENSES
#2 | 2022-10-13METHOD FOR MAKING EMBEDDED HYDROGEL CONTACT LENSES
#3 | 2021-06-24HYBRID DIFFRACTIVE AND REFRACTIVE CONTACT LENS FOR TREATMENT OF MYOPIA
#4 | 2021-06-24HYBRID DIFFRACTIVE AND REFRACTIVE CONTACT LENS
#5 | 2017-06-22Reusable lens molds and methods of use thereof
#6 | 2011-06-23OPHTHALMIC QUALITY METRIC SYSTEM
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