Intraocular lenses for presbyopia treatment
US-2018368972-A1 · Dec 27, 2018 · US
Aspheric lenses
Aspheric lenses · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A61F2/164 |
| Official title | {Aspheric lenses} |
| Display label | Aspheric lenses |
| Total patents | 202 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 8 |
| 2017 | 29 |
| 2018 | 19 |
| 2019 | 22 |
| 2020 | 21 |
| 2021 | 13 |
| 2022 | 23 |
| 2023 | 21 |
| 2024 | 15 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fresnel piggyback intraocular lens that improves overall vision where there is a local loss of retinal function
US-10143548-B2 · Dec 4, 2018 · US
Piggyback intraocular lens that improves overall vision where there is a local loss of retinal function
US-10136990-B2 · Nov 27, 2018 · US
Eye lens with a specifically shaped transition region of an optical part
US-10098726-B2 · Oct 16, 2018 · US
Multifocal ophthalmic lens
US-10085833-B2 · Oct 2, 2018 · US
Progressive power intraocular lens, and methods of use and manufacture
US-10028825-B2 · Jul 24, 2018 · US
Dual-optic intraocular lens that improves overall vision where there is a local loss of retinal function
US-10016270-B2 · Jul 10, 2018 · US
Ophthalmic devices that improve peripheral vision
US-10010407-B2 · Jul 3, 2018 · US
Ophthalmic lens having an extended depth of focus
US-9968440-B2 · May 15, 2018 · US
Aspheric optical lenses and associated systems and methods
US-9918831-B2 · Mar 20, 2018 · US
Multifocal lens having an optical add power progression, and a system and method of providing same
US-9817246-B2 · Nov 14, 2017 · US
Multifocal intraocular lens with extended depth of field
US-2017290657-A1 · Oct 12, 2017 · US
Ophthalmic apparatus with corrective meridians having extended tolerance band
US-2017276962-A1 · Sep 28, 2017 · US
Ophthalmic apparatus with corrective meridians having extended tolerance band with freeform refractive surfaces
US-2017273778-A1 · Sep 28, 2017 · US
Ophthalmic apparatus with corrective meridians having extended tolerance band by modifying refractive powers in uniform meridian distribution
US-2017273780-A1 · Sep 28, 2017 · US
Intraocular lenses that improve peripheral vision
US-2017258578-A1 · Sep 14, 2017 · US
Progressive power intraocular lens, and methods of use and manufacture
US-2017245986-A1 · Aug 31, 2017 · US
Progressive power intraocular lens, and methods of use and manufacture
US-2017245987-A1 · Aug 31, 2017 · US
Ophthalmic lens having an extended depth of focus
US-2017245983-A1 · Aug 31, 2017 · US
Progressive power intraocular lens, and methods of use and manufacture
US-2017245985-A1 · Aug 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61F2/164?
- CPC A61F2/164 is the Cooperative Patent Classification code for “Aspheric lenses.”
- How many patents are filed under CPC A61F2/164 (Aspheric lenses)?
- Our database includes 202 publications tagged with this CPC code.
- Is patent activity under CPC A61F2/164 growing?
- Publication counts under this code: 15 in 2024 vs 15 in 2025 (latest complete years).