Inventor
ZHIJUN CAI
Inventor
US
Overview
Patents· 40 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks24%
H04LTransmission of digital information, e.g. telegraphic communication19%
H04BTransmission7%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
E21BEarth or rock drilling4%
F04BPositive-displacement machines for liquids3%
G01DMeasuring not specially adapted for a specific variable3%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%
H04JMultiplex communication3%
B60WConjoint control of vehicle sub-units of different type or different function2%
PatentTitleYear
12,550,155Method and system for signaling transmission layers for single user and multi user MIMO2026D1083967Display screen or portion thereof with a graphical user interface202512,304,471Method for visually tracking gaze point of human eye, vehicle early warning method and device202512,219,512Small cell demodulation reference signal and initial synchronization202512,200,636Reporting power headroom for aggregated carriers202512,148,449Layout adjustment method and apparatus, device, storage medium, and program product202412,137,454System and method for reducing decoding for carrier power control202412,114,277Using a cell as a pathloss or timing reference202412,096,166Method and system for moving status detection for a sensor apparatus2024RE050093System and method for determining a search space in carrier aggregation in LTE-A202412,022,473Relay reception synchronization system and method202412,008,903Collision warning method, and system for protecting vulnerable traffic participant, and storage medium202411,979,214Transmission of information in a wireless communication system202411,937,190Reporting power headroom for aggregated carriers202411,916,382Optimized operation plan for a power system202411,877,297Method and system for signaling transmission layers for single user and multi user MIMO202411,838,919System and method for sharing a control channel for carrier aggregation202311,832,201Small cell demodulation reference signal and initial synchronization202311,832,179System and method for uplink timing synchronization in conjunction with discontinuous reception202311,802,468Asymmetric power management and load management202311,801,616Monitoring system for three-dimensional printing202311,765,692System and method for uplink resource reuse202311,746,634Optimizing fuel consumption and emissions of a multi-rig hydraulic fracturing system202311,722,282Method and system for dynamic ACK/NACK repetition for robust downlink MAC PDU transmission in LTE202311,697,985Automated hydraulic fracturing operation202311,653,126Method and system for moving status detection for a sensor apparatus202311,627,561Relay reception synchronization system and method202311,575,532Multicast broadcast single frequency network data scheduling and handling202311,576,120System and method for uplink timing synchronization in conjunction with discontinuous reception202311,576,132Reporting power headroom for aggregated carriers202311,558,866Method and system for protocol layer enhancements in data offload over small cells202311,546,900Method and system for signaling transmission layers for single user and multi user MIMO202311,499,547Hydraulic fracturing pump health monitor202211,428,704Generator pole slip detection202211,389,953Hydraulic delta robot control system202211,395,248Small cell demodulation reference signal and initial synchronization202211,337,185Transmission of information in a wireless communication system202211,283,577Method and system for dynamic ACK/NACK repetition for robust downlink MAC PDU transmission in LTE202211,251,620Micro-grid site predictive control for multipower resource management with machine learning2022RE048767Message rearrangement for improved wireless code performance2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to BLACKBERRY LTD (16)· patent assignee history
2021–2026Based in US· patent location history
2022–2024Patents assigned to CATERPILLAR INC (9)· patent assignee history
2023–2026Patents assigned to MALIKIE INNOVATIONS LTD (6)· patent assignee history
2023Patents assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (3)· patent assignee history
2024–2025Patents assigned to BEIJING ZITIAO NETWORK TECHNOLOGY CO LTD (2)· patent assignee history
2024–2025Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLACKBERRY LTD | 16 | 2021–2025 |
| CATERPILLAR INC | 9 | 2022–2024 |
| MALIKIE INNOVATIONS LTD | 6 | 2023–2026 |
| GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD | 3 | 2023 |
| BEIJING ZITIAO NETWORK TECHNOLOGY CO LTD | 2 | 2024–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 36 | 2021–2026 |
| CN | 4 | 2024–2025 |