Additive manufacturing system and method
US-10518328-B2 · Dec 31, 2019 · US
by changing a part
by changing a 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 | G02B15/04 |
| Official title | by changing a part |
| Display label | by changing a part |
| Total patents | 177 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 26 |
| 2018 | 8 |
| 2019 | 10 |
| 2020 | 20 |
| 2021 | 24 |
| 2022 | 17 |
| 2023 | 23 |
| 2024 | 19 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Converter lens, interchangeable lens, and image pickup apparatus
US-2019391364-A1 · Dec 26, 2019 · US
Adaptive optical zoom systems and methods
US-10379324-B2 · Aug 13, 2019 · US
Conversion lens, and imaging optical system and optical apparatus including conversion lens
US-10353185-B2 · Jul 16, 2019 · US
Methods and apparatus for use with multiple optical chains
US-2019191096-A1 · Jun 20, 2019 · US
Driver assistance apparatus and vehicle
US-10317771-B2 · Jun 11, 2019 · US
Imaging lens and optical apparatus
US-10310239-B2 · Jun 4, 2019 · US
Camera multi-lens mount for assisted-driving vehicle
US-2019129129-A1 · May 2, 2019 · US
Image capturing device and an image capturing method
US-10237467-B2 · Mar 19, 2019 · US
Mems device comprising a membrane and an actuator
US-2019039880-A1 · Feb 7, 2019 · US
Variable focal length lens device
US-2018314033-A1 · Nov 1, 2018 · US
Microscope apparatus
US-2018284411-A1 · Oct 4, 2018 · US
Lens device and correction method for lens device
US-10088654-B2 · Oct 2, 2018 · US
Methods and apparatus for use with multiple optical chains
US-10015407-B2 · Jul 3, 2018 · US
Imaging lens and optical apparatus
US-2018157013-A1 · Jun 7, 2018 · US
Plurality of imaging optical systems and image pickup apparatus using the same
US-9989728-B2 · Jun 5, 2018 · US
Operating microscope
US-2018125360-A1 · May 10, 2018 · US
Conversion lens, and imaging optical system and optical apparatus including conversion lens
US-2018095255-A1 · Apr 5, 2018 · US
Converter lens system
US-9851626-B2 · Dec 26, 2017 · US
Device for the optical measurement of the distance from a reflecting or scattering target object
US-9791566-B2 · Oct 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B15/04?
- CPC G02B15/04 is the Cooperative Patent Classification code for “by changing a part.”
- How many patents are filed under CPC G02B15/04 (by changing a part)?
- Our database includes 177 publications tagged with this CPC code.
- Is patent activity under CPC G02B15/04 growing?
- Publication counts under this code: 19 in 2024 vs 12 in 2025 (latest complete years).