Optical system, image projection apparatus, and imaging apparatus
US-2026029697-A1 · Jan 29, 2026 · US
by changing the front part · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B15/06 |
| Official title | by changing the front part |
| Display label | by changing the front part |
| Total patents | 29 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026029697-A1 · Jan 29, 2026 · US
US-2025298220-A1 · Sep 25, 2025 · US
US-12259545-B2 · Mar 25, 2025 · US
US-11994659-B2 · May 28, 2024 · US
US-2024077704-A1 · Mar 7, 2024 · US
US-2024053662-A1 · Feb 15, 2024 · US
US-11860345-B2 · Jan 2, 2024 · US
US-11852790-B2 · Dec 26, 2023 · US
US-2023204931-A1 · Jun 29, 2023 · US
US-2023125471-A1 · Apr 27, 2023 · US
US-11635596-B2 · Apr 25, 2023 · US
US-2022342189-A1 · Oct 27, 2022 · US
US-2022252863-A1 · Aug 11, 2022 · US
US-11402616-B2 · Aug 2, 2022 · US
US-2021356720-A1 · Nov 18, 2021 · US
US-2021325643-A1 · Oct 21, 2021 · US
US-10583524-B2 · Mar 10, 2020 · US
US-10476999-B2 · Nov 12, 2019 · US
US-2019317299-A1 · Oct 17, 2019 · US
US-2019173987-A1 · Jun 6, 2019 · US
Answers are generated from the same data shown on this page.