Visible ceramic laser, gain medium for same, and process of making the gain medium
US-2025343389-A1 · Nov 6, 2025 · US
Ceramics
Ceramics · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/1685 |
| Official title | {Ceramics} |
| Display label | Ceramics |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-efficiency and directional non-resonant laser using scattering cavity and method of manufacturing the same
US-12374850-B2 · Jul 29, 2025 · US
YAG ceramic joined body and production method therefor
US-12160081-B2 · Dec 3, 2024 · US
Joined body, laser oscillator, laser amplifier, and joined body manufacturing method
US-12142888-B2 · Nov 12, 2024 · US
End-pumped Q-switched laser
US-11881676-B2 · Jan 23, 2024 · US
High-efficiency and directional non-resonant laser using scattering cavity and method of manufacturing the same
US-2023268708-A1 · Aug 24, 2023 · US
Yag ceramic joined body and production method therefor
US-2022393424-A1 · Dec 8, 2022 · US
Micro non-planar ring oscillator with optimized output power and minimized noise in a reduced size package
US-11394168-B1 · Jul 19, 2022 · US
Rare-earth-doped alumina-oxide laser gain media
US-2022200231-A1 · Jun 23, 2022 · US
High-power, rare-earth-doped crystal amplifier based on ultra-low-quantum-defect pumping scheme Utilizing single or low-mode fiber lasers
US-11316319-B2 · Apr 26, 2022 · US
High power CW mid-IR laser
US-11289871-B2 · Mar 29, 2022 · US
Passive Q-switch pulse laser device, processing apparatus, and medical apparatus
US-11183809-B2 · Nov 23, 2021 · US
Laser device and internal combustion engine
US-11075497-B2 · Jul 27, 2021 · US
High power cw mid-ir laser
US-2021184417-A1 · Jun 17, 2021 · US
Ceramic material for generating light
US-10899672-B2 · Jan 26, 2021 · US
Optical frequency comb generator with carrier envelope offset frequency detection
US-10886690-B2 · Jan 5, 2021 · US
Continuous wave end-pumped laser
US-2020251874-A1 · Aug 6, 2020 · US
Passive q-switch pulse laser device, processing apparatus, and medical apparatus
US-2020176946-A1 · Jun 4, 2020 · US
Method of forming pores in three-dimensional objects
US-10661391-B2 · May 26, 2020 · US
Laser device, ignition device, and internal combustion engine
US-10626842-B2 · Apr 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/1685?
- CPC H01S3/1685 is the Cooperative Patent Classification code for “Ceramics.”
- How many patents are filed under CPC H01S3/1685 (Ceramics)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/1685 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).