Inventor
Xianfeng Zhang
Inventor
Shanghai, CN
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Fprimary
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles6%
F03DWind motors6%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g6%
G06FElectric digital data processing6%
G10LSpeech analysis techniques or speech synthesis6%
H01LSemiconductor devices6%
H02JElectric power networks6%
H02KDynamo-electric machines6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
PatentTitleYear
11,094,827Semiconductor devices with uniform gate height and method of forming same202111,038,664Method and apparatus for sending service, method and apparatus for receiving service, and network system202110,491,008Pre-charging a capacitor bank201910,204,639Method and device for processing sound signal for communications device20199,802,626'Sub-frame radial bogie'20177,865,822'Method and apparatus for parallel validation of documents'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Patents assigned to INTEL CORP (1)· patent assignee history
2011–2019Based in Shanghai, CN· patent location history
2017Patents assigned to CRRC MEISHAN CO LTD (1)· patent assignee history
2017Based in Sichuan, CN· patent location history
2019–2021Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2019Patents assigned to GEN ELECTRIC (1)· patent assignee history
2019Based in Beijing, CN· patent location history
2021Patents assigned to GLOBALFOUNDRIES US INC (1)· patent assignee history
2021Based in Clifton Park, NY, US· patent location history
2021Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUAWEI TECH CO LTD | 2 | 2019–2021 |
| CRRC MEISHAN CO LTD | 1 | 2017 |
| GEN ELECTRIC | 1 | 2019 |
| GLOBALFOUNDRIES US INC | 1 | 2021 |
| INTEL CORP | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 2 | 2011–2019 |
| Clifton Park, New York, US | 1 | 2021 |
| Shenzhen, CN | 1 | 2021 |
| Beijing, CN | 1 | 2019 |
| Sichuan, CN | 1 | 2017 |