Apparatus and method for measuring a three dimensional shape
US-2019293413-A1 · Sep 26, 2019 · US
Optical focusing aids
Optical focusing aids · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B27/40 |
| Official title | Optical focusing aids |
| Display label | Optical focusing aids |
| Total patents | 146 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 17 |
| 2017 | 15 |
| 2018 | 12 |
| 2019 | 18 |
| 2020 | 21 |
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for delivering the fiber laser radiation into dynamical waveguide
US-2019219779-A1 · Jul 18, 2019 · US
Light emitting method and light emitting device
US-2019204584-A1 · Jul 4, 2019 · US
Artificially-structured materials with smart elements
US-2019154918-A1 · May 23, 2019 · US
Systems and methods for spatiotemporal control of a laser and applications of same
US-2019121153-A1 · Apr 25, 2019 · US
Optical sheet, display device, and electronic apparatus
US-10267955-B2 · Apr 23, 2019 · US
Slide, set of slide and cover glass, and microscope system
US-2018373014-A1 · Dec 27, 2018 · US
Through-cloud celestial sighting system
US-2018372496-A1 · Dec 27, 2018 · US
Microscope system and method of controlling the same
US-2018373015-A1 · Dec 27, 2018 · US
Head-up display device and vehicle
US-10120188-B2 · Nov 6, 2018 · US
Real-time focusing in line scan imaging
US-2018275388-A1 · Sep 27, 2018 · US
Image capture with digital light path length modulation
US-10057488-B2 · Aug 21, 2018 · US
LED Illumination Module With Fixed Optic and Variable Emission Pattern
US-2018192484-A1 · Jul 5, 2018 · US
Medical observation device and medical observation method
US-2018146844-A1 · May 31, 2018 · US
Projector and focal length adjusting method
US-2018120560-A1 · May 3, 2018 · US
Image Capture with Digital Light Path Length Modulation
US-2018048814-A1 · Feb 15, 2018 · US
Optical sheet, display device, and electronic apparatus
US-2018045860-A1 · Feb 15, 2018 · US
Image display apparatus and head mount display
US-9874757-B2 · Jan 23, 2018 · US
Optical systems including lens assemblies and methods of imaging fields of view using such optical systems
US-9851557-B2 · Dec 26, 2017 · US
Head-up display device and vehicle
US-2017357088-A1 · Dec 14, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B27/40?
- CPC G02B27/40 is the Cooperative Patent Classification code for “Optical focusing aids.”
- How many patents are filed under CPC G02B27/40 (Optical focusing aids)?
- Our database includes 146 publications tagged with this CPC code.
- Is patent activity under CPC G02B27/40 growing?
- Publication counts under this code: 12 in 2024 vs 10 in 2025 (latest complete years).