Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
US-2022269053-A1 · Aug 25, 2022 · US
having five groups only
having five groups only · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B15/145 |
| Official title | {having five groups only} |
| Display label | having five groups only |
| Total patents | 101 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 4 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 8 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable magnification optical system, optical equipment, and method for producing variable magnification optical system
US-11409086-B2 · Aug 9, 2022 · US
Scope
US-2022206250-A1 · Jun 30, 2022 · US
Zoom lens and apparatus having the same
US-2022171172-A1 · Jun 2, 2022 · US
Lens barrel and imaging device
US-11320627-B2 · May 3, 2022 · US
Lens barrel
US-11307380-B2 · Apr 19, 2022 · US
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
US-11280986-B2 · Mar 22, 2022 · US
Zoom lens and optical device having the same
US-2022082806-A1 · Mar 17, 2022 · US
Antireflection film having silver-containing layer and fluorocarbon layer, method for producing antireflection film, optical element, and optical system
US-11194078-B2 · Dec 7, 2021 · US
Antireflection film, optical element, optical system, method of producing antireflection film
US-11029449-B2 · Jun 8, 2021 · US
Lens barrel
US-2021088748-A1 · Mar 25, 2021 · US
Distortion correction method, distortion correction apparatus, and image pickup apparatus
US-10908416-B2 · Feb 2, 2021 · US
Lens barrel and imaging device
US-2020409031-A1 · Dec 31, 2020 · US
Lens barrel, image-capturing device, and method for controlling lens barrel
US-10852502-B2 · Dec 1, 2020 · US
Lens apparatus, image pickup apparatus, method of correcting change in focal position, and storage medium
US-2020341245-A1 · Oct 29, 2020 · US
Lens barrel and imaging device
US-10809490-B2 · Oct 20, 2020 · US
Antireflection film, optical element, and optical system
US-2020209436-A1 · Jul 2, 2020 · US
Camera module
US-2020192116-A1 · Jun 18, 2020 · US
Zoom lens, optical apparatus and method for manufacturing the zoom lens
US-2020150407-A1 · May 14, 2020 · US
Optical thin film, optical element, optical system, and method for producing optical thin film
US-10641927-B2 · May 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B15/145?
- CPC G02B15/145 is the Cooperative Patent Classification code for “having five groups only.”
- How many patents are filed under CPC G02B15/145 (having five groups only)?
- Our database includes 101 publications tagged with this CPC code.
- Is patent activity under CPC G02B15/145 growing?
- Publication counts under this code: 9 in 2024 vs 8 in 2025 (latest complete years).