Inventor
Weihua Liu
Inventor
Beijing, CN
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks21%
H04LTransmission of digital information, e.g. telegraphic communication17%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact8%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application8%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use8%
Y10TTechnical subjects covered by former us classification8%
B23PMetal-working not otherwise provided for4%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%
F25BRefrigeration machines, plants or systems4%
H02KDynamo-electric machines4%
PatentTitleYear
11,050,315Rotor for a synchronous generator202110,708,971Mobility management method, user equipment, storage node, and base station202010,355,832Information sending or receiving method, user equipment, and base station201910,247,482Bent heat exchanger and method for bending the heat exchanger20199,942,748Service provisioning system and method, and mobile edge application server and support node20189,751,378'Air conditioning system and heat exchanger'20179,491,794'Method for quickly establishing trunking service and related device and system'20168,842,649'Remote radio data transmission over Ethernet'20148,749,120'Flexible micro bumps operably coupled to an array of nano-piezoelectric sensors'20147,741,632'InGaAIN light-emitting device containing carbon-based substrate and method for making the same'2010D0519445'Cell charger'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to BYD CO LTD (1)· patent assignee history
2014Patents assigned to LIU WEIHUA (2)· patent assignee history
2014Patents assigned to CHEN KAI (1)· patent assignee history
2014–2020Based in Beijing, CN· patent location history
2014Based in Shanxi, CN· patent location history
2016–2020Patents assigned to HUAWEI TECH CO LTD (4)· patent assignee history
2017–2019Patents assigned to HANGZHOU SANHUA RES INST CO LTD (2)· patent assignee history
2017–2019Based in Zhejiang, CN· patent location history
2019Based in Ottawa, CA· patent location history
2021Based in Birr, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUAWEI TECH CO LTD | 4 | 2016–2020 |
| HANGZHOU SANHUA RES INST CO LTD | 2 | 2017–2019 |
| LIU WEIHUAself | 2 | 2014 |
| BYD CO LTD | 1 | 2006 |
| CHEN KAI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 4 | 2014–2020 |
| Zhejiang, CN | 2 | 2017–2019 |
| Birr, CH | 1 | 2021 |
| Ottawa, CA | 1 | 2019 |
| Shanxi, CN | 1 | 2014 |