Optical system, image projection apparatus, and imaging apparatus
US-2026029697-A1 · Jan 29, 2026 · US
by changing the rear part
by changing the rear part · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B15/08 |
| Official title | by changing the rear part |
| Display label | by changing the rear part |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 8 |
| 2023 | 2 |
| 2024 | 2 |
| 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
Zoom lens and image pickup apparatus
US-11860347-B2 · Jan 2, 2024 · US
Extender lens, optical system, and imaging apparatus
US-11675173-B2 · Jun 13, 2023 · US
Attachment optical system, optical system, manufacturing method of optical system
US-11543635-B2 · Jan 3, 2023 · US
Rear attachment lens and image pickup optical system using the same
US-11169365-B2 · Nov 9, 2021 · US
Zoom lens, image pickup apparatus, and extender lens unit
US-11156810-B2 · Oct 26, 2021 · US
Reduction optical system and image pickup apparatus
US-2021318526-A1 · Oct 14, 2021 · US
Optical path length adjustment
US-11130593-B2 · Sep 28, 2021 · US
Attachment optical system, optical system, manufacturing method of optical system
US-2021278641-A1 · Sep 9, 2021 · US
Zoom lens and image pickup apparatus
US-2021132347-A1 · May 6, 2021 · US
Extender lens, optical system, and imaging apparatus
US-2021096344-A1 · Apr 1, 2021 · US
Optical path length adjustment
US-2021002000-A1 · Jan 7, 2021 · US
Rear attachment lens and image pickup optical system using the same
US-2020319435-A1 · Oct 8, 2020 · US
Optical path length adjustment
US-10793289-B2 · Oct 6, 2020 · US
Zoom lens, extender lens, and imaging apparatus
US-10757317-B2 · Aug 25, 2020 · US
Zoom lens, image pickup apparatus, and extender lens unit
US-2020081232-A1 · Mar 12, 2020 · US
Image pickup apparatus, rear attachment lens, and image pickup system including the same
US-10578843-B2 · Mar 3, 2020 · US
Rear converter optical system and imaging apparatus including the same
US-10539768-B2 · Jan 21, 2020 · US
Zoom lens, extender lens, and imaging apparatus
US-2020007745-A1 · Jan 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B15/08?
- CPC G02B15/08 is the Cooperative Patent Classification code for “by changing the rear part.”
- How many patents are filed under CPC G02B15/08 (by changing the rear part)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC G02B15/08 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).