Inventor
Jianjian Wang
Inventor
Weifang, CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
B29CShaping or joining of plastics5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
C08JWorking-up5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C08LCompositions of macromolecular compounds5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons5%
D07BRopes or cables in general5%
PatentTitleYear
11,067,069Tilt linkage for variable stroke pump202110,797,633Thermal emitter for energy conversion technical field202010,427,345Continuous fabrication system and method for highly aligned polymer films20199,369,806'Moving-coil electroacoustic transducer'20169,241,207'Speaker module'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016Patents assigned to GOERTEK INC (2)· patent assignee history
2016Patents assigned to GE LIANSHAN (1)· patent assignee history
2016Patents assigned to LIU CHUNFA (1)· patent assignee history
2016Based in Weifang, CN· patent location history
2019Patents assigned to MASSACHUSETTS INST TECHNOLOGY (1)· patent assignee history
2019Based in Cambridge, MA, US· patent location history
2020Based in Lancaster, PA, US· patent location history
2021Patents assigned to CW HOLDINGS LTD (1)· patent assignee history
2021Based in Conroe, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOERTEK INC | 2 | 2016 |
| CW HOLDINGS LTD | 1 | 2021 |
| GE LIANSHAN | 1 | 2016 |
| LIU CHUNFA | 1 | 2016 |
| MASSACHUSETTS INST TECHNOLOGY | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Weifang, CN | 2 | 2016 |
| Conroe, Texas, US | 1 | 2021 |
| Lancaster, Pennsylvania, US | 1 | 2020 |
| Cambridge, Massachusetts, US | 1 | 2019 |