Optical receiving apparatus, optical receiving packaging apparatus, and related device and method
US-12556287-B2 · Feb 17, 2026 · US
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Cao Rixiang patents
Cao Rixiang is listed as an inventor on 11 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cao Rixiang |
| Total patents | 11 |
| First publication | Oct 8, 2020 |
| Latest publication | Feb 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Receiver optical sub-assembly, bi-directional optical sub-assembly, optical module, and optical network device
US-12470303-B2 · Nov 11, 2025 · US
Optical receiver
US-2025038862-A1 · Jan 30, 2025 · US
Receiver optical sub-assembly, bi-directional optical sub-assembly, optical module, and optical network device
US-2024121008-A1 · Apr 11, 2024 · US
Receiver optical sub-assembly, combo bi-directional optical sub- assembly, combo optical module, OLT, and PON system
US-11916600-B2 · Feb 27, 2024 · US
Receiver optical sub-assembly, bi-directional optical sub-assembly, optical module, and optical network device
US-11848710-B2 · Dec 19, 2023 · US
Optical receiving apparatus, optical receiving packaging apparatus, and related device and method
US-2023396342-A1 · Dec 7, 2023 · US
Receiver optical sub-assembly, bi-directional optical sub-assembly, optical module, and optical network device
US-2022158740-A1 · May 19, 2022 · US
Receiver Optical Sub-Assembly, Combo Bi-Directional Optical Sub-Assembly, Combo Optical Module, OLT, and PON System
US-2022045767-A1 · Feb 10, 2022 · US
Receiver optical sub-assembly, combo bi-directional optical sub-assembly, combo optical module, OLT, and PON system
US-11184088-B2 · Nov 23, 2021 · US
Recent patents
Latest publications not already listed above.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Huawei Tech Co Ltd | 11 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04B10/60 | 10 |
| H04B10/40 | 8 |
| H04B10/69 | 7 |
| H04B10/697 | 5 |
| H04B10/693 | 5 |