Inventor
SHIYI CAO
Inventor
CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein44%
G02BOptical elements, systems or apparatus22%
H04BTransmission22%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light11%
PatentTitleYear
12,199,677Optical signal processing method and apparatus202512,092,865Grating and grating characteristic adjustment method and device202412,034,486Filter, optical amplifier, communication system, filtering method, and optical amplification method202411,360,335Optical waveguide apparatus, control method for optical waveguide apparatus, and storage medium202211,353,653Optical waveguide apparatus2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to HUAWEI TECH CO LTD (5)· patent assignee history
2022–2025Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUAWEI TECH CO LTD | 5 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 5 | 2022–2025 |