Motor
US-2017366062-A1 · Dec 21, 2017 · US
Optical devices
Optical devices · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K11/22 |
| Official title | Optical devices |
| Display label | Optical devices |
| Total patents | 358 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 25 |
| 2017 | 19 |
| 2018 | 29 |
| 2019 | 41 |
| 2020 | 41 |
| 2021 | 39 |
| 2022 | 29 |
| 2023 | 38 |
| 2024 | 39 |
| 2025 | 33 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Actuator Module For Charge Inlets
US-2017341524-A1 · Nov 30, 2017 · US
Strain wave gearing with built-in motor
US-2017338718-A1 · Nov 23, 2017 · US
Traction motor assembly with gear-interconnected wheel and output shaft
US-2017321783-A1 · Nov 9, 2017 · US
Information processing apparatus, and recording medium storing computer program
US-2017317618-A1 · Nov 2, 2017 · US
Electric motor with rotary encoder
US-2017294824-A1 · Oct 12, 2017 · US
Electrical motor system and method of operating the electrical motor system
US-9780704-B2 · Oct 3, 2017 · US
Traction motor assembly with gear-interconnected wheel and output shaft
US-9752652-B2 · Sep 5, 2017 · US
Press device
US-2017239704-A1 · Aug 24, 2017 · US
Active stabilization system for truck cabins
US-9707814-B2 · Jul 18, 2017 · US
Robot Drive with Isolated Optical Encoder
US-2017194842-A1 · Jul 6, 2017 · US
Distributed active suspension control system
US-9694639-B2 · Jul 4, 2017 · US
Encoder, holding member, method of mounting an encoder, drive apparatus, and robot apparatus, and stage apparatus
US-2017184425-A1 · Jun 29, 2017 · US
Motor driving assembly
US-2017149314-A1 · May 25, 2017 · US
Linear actuator
US-2017126111-A1 · May 4, 2017 · US
Linear motor common stator dual-drive macro/micro integrated high-speed precision motion one-dimensional platform
US-2017126112-A1 · May 4, 2017 · US
Encoder, controller, method for processing data
US-2016344267-A1 · Nov 24, 2016 · US
Switch reluctance motor
US-2016336841-A1 · Nov 17, 2016 · US
Motor driver and a method of operating thereof
US-2016322925-A1 · Nov 3, 2016 · US
Encoder, motor with encoder, and servo system
US-9436166-B2 · Sep 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K11/22?
- CPC H02K11/22 is the Cooperative Patent Classification code for “Optical devices.”
- How many patents are filed under CPC H02K11/22 (Optical devices)?
- Our database includes 358 publications tagged with this CPC code.
- Is patent activity under CPC H02K11/22 growing?
- Publication counts under this code: 39 in 2024 vs 33 in 2025 (latest complete years).