Variable magnification optical component and ophthalmic apparatus
US-2024111135-A1 · Apr 4, 2024 · US
by adding telescopic attachments (G02B15/14 takes precedence)
by adding telescopic attachments (G02B15/14 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B15/12 |
| Official title | by adding telescopic attachments (G02B15/14 takes precedence) |
| Display label | by adding telescopic attachments (G02B15/14 takes precedence) |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 12 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reduction optical system and image pickup apparatus
US-11914121-B2 · Feb 27, 2024 · US
Converter lens, interchangeable lens, and image capturing apparatus
US-2023341663-A1 · Oct 26, 2023 · US
Accessory lens structures
US-2023305366-A1 · Sep 28, 2023 · US
Converter lens, interchangeable lens, and image capturing apparatus
US-11726305-B2 · Aug 15, 2023 · US
Converter lens, interchangeable lens, and image capturing apparatus
US-2023110115-A1 · Apr 13, 2023 · US
Driving module and focusing mechanism including driving module
US-2023067335-A1 · Mar 2, 2023 · US
Converter lens, interchangeable lens, and image capturing apparatus
US-11586022-B2 · Feb 21, 2023 · US
Converter lens, interchangeable lens, and image capturing apparatus
US-11474332-B2 · Oct 18, 2022 · US
Device and method for imaging an object
US-2022283422-A1 · Sep 8, 2022 · US
Converter lens, interchangeable lens, and image capturing apparatus
US-2022260813-A1 · Aug 18, 2022 · US
Converter optical system
US-2022171170-A1 · Jun 2, 2022 · US
Converter optical system
US-11287619-B2 · Mar 29, 2022 · US
Imaging apparatus
US-11288780-B2 · Mar 29, 2022 · US
Reduction optical system and image pickup apparatus
US-2021318526-A1 · Oct 14, 2021 · US
Rear converter lens and imaging apparatus
US-2021255422-A1 · Aug 19, 2021 · US
Rear converter lens and imaging apparatus
US-11029488-B2 · Jun 8, 2021 · US
Mobile terminal and control method therefor
US-10897582-B2 · Jan 19, 2021 · US
Rear converter lens and imaging apparatus
US-2021003819-A1 · Jan 7, 2021 · US
Rear attachment lens and imaging apparatus
US-10838166-B2 · Nov 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B15/12?
- CPC G02B15/12 is the Cooperative Patent Classification code for “by adding telescopic attachments (G02B15/14 takes precedence).”
- How many patents are filed under CPC G02B15/12 (by adding telescopic attachments (G02B15/14 takes precedence))?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC G02B15/12 growing?
- Publication counts under this code: 2 in 2024 vs 8 in 2025 (latest complete years).