Optical module
US-11513339-B2 · Nov 29, 2022 · US
Optical MEMS
Optical MEMS · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B81B2201/04 |
| Official title | Optical MEMS |
| Display label | Optical MEMS |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 10 |
| 2023 | 16 |
| 2024 | 10 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
MEMS device
US-11472697-B2 · Oct 18, 2022 · US
Optical module and method for manufacturing optical module
US-2022299752-A1 · Sep 22, 2022 · US
Optical module and method for manufacturing optical module
US-11385455-B2 · Jul 12, 2022 · US
Wire-bond damper for shock absorption
US-2022162058-A1 · May 26, 2022 · US
Displacement enlarging mechanism and optical apparatus using the same
US-11287643-B2 · Mar 29, 2022 · US
Mems device with a dual hinge structure
US-2021396993-A1 · Dec 23, 2021 · US
Sculpted micromirror in a digital micromirror device
US-2021382296-A1 · Dec 9, 2021 · US
Flexible membrane
US-11174150-B2 · Nov 16, 2021 · US
Switchable displays with movable pixel units
US-2021217331-A1 · Jul 15, 2021 · US
Bias voltage adjustment for a phase light modulator
US-2021181499-A1 · Jun 17, 2021 · US
Optical device
US-2021155471-A1 · May 27, 2021 · US
Lasercom acquisition and tracking sensor
US-2021132369-A1 · May 6, 2021 · US
Optical device
US-2021130159-A1 · May 6, 2021 · US
Optical device and method for manufacturing same
US-2021130160-A1 · May 6, 2021 · US
Mems device with a three-layer comb actuator structure and a two-layer hinge
US-2021063727-A1 · Mar 4, 2021 · US
Piston-mode spatial light modulator
US-2021055540-A1 · Feb 25, 2021 · US
Force-balanced micromirror with electromagnetic actuation
US-2021048662-A1 · Feb 18, 2021 · US
Methods and apparatus for increasing efficiency and optical bandwidth of a microelectromechanical system piston-mode spatial light modulator
US-10831018-B2 · Nov 10, 2020 · US
Polygon mirror and mems interconnect with multiple turns
US-2020292709-A1 · Sep 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B81B2201/04?
- CPC B81B2201/04 is the Cooperative Patent Classification code for “Optical MEMS.”
- How many patents are filed under CPC B81B2201/04 (Optical MEMS)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC B81B2201/04 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).