Inventor
TIANHAI CHANG
Inventor
CN
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission17%
G02BOptical elements, systems or apparatus13%
H04JMultiplex communication13%
H04QSelecting13%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles8%
H04WWireless communication networks8%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G06FElectric digital data processing4%
G06KGraphical data reading4%
PatentTitleYear
12,429,758Display apparatus and display system202512,360,382Head-up display apparatus and head-up display method202512,334,984Optical transmitter and optical modulation method202512,055,712Multi-focal-plane image generation apparatus, head-up display apparatus, related method, and device202411,711,152Receiver, optical line terminal, and passive optical network system202311,611,816Service data processing method and device202311,381,335Method and apparatus for spectrum defragmentation, device, and system202211,295,096Automatic search method for a structural mode signal of a chipless RFID tag2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to HUAWEI TECH CO LTD (5)· patent assignee history
2022Patents assigned to UNIV SOUTH CHINA TECH (1)· patent assignee history
2022–2025Based in CN· patent location history
2025Patents assigned to SHENZHEN YINWANG INTELLIGENT TECHNOLOGY CO LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUAWEI TECH CO LTD | 5 | 2022–2025 |
| SHENZHEN YINWANG INTELLIGENT TECHNOLOGY CO LTD | 2 | 2025 |
| UNIV SOUTH CHINA TECH | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 8 | 2022–2025 |