Inventor
YUWEN LIU
Inventor
US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Dprimary
B29DProducing particular articles from plastics or from substances in a plastic state15%
G02BOptical elements, systems or apparatus15%
G02CSpectacles15%
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. inserts8%
B61DBody details or kinds of railway vehicles5%
C08LCompositions of macromolecular compounds5%
A45CPurses3%
A61KPreparations for medical, dental or toiletry purposes3%
B29CShaping or joining of plastics3%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
PatentTitleYear
12,393,057Oleic acid-releasing contact lens202512,164,182Contact lens202412,153,288Contact lens202412,038,555Cationic contact lens202411,947,192Contact lenses with microchannels202411,616,664Carrier frequency offset correction and doppler mitigation202311,550,166Contact lenses with microchannels202311,447,165Train window structure and train with train window structure202211,331,865Method for producing a hollow support from a fiber composite material, core designed as a hollow body, use of said core, and use of said hollow support made from fiber composite202211,186,300Collision energy absorption structure and rail vehicle having same2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2022Patents assigned to CRRC QINGDAO SIFANG CO LTD (3)· patent assignee history
2021–2023Based in CN· patent location history
2022Patents assigned to CG RAIL CHINESISCH DEUTSCHES FORSCHUNGS UND ENTW FUER BAHN UND VERKEHRSTECHNIK DRESDEN GMBH (1)· patent assignee history
2023–2025Patents assigned to COOPERVISION INT LTD (6)· patent assignee history
2023Patents assigned to INTEL CORP (1)· patent assignee history
2023–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COOPERVISION INT LTD | 6 | 2023–2025 |
| CRRC QINGDAO SIFANG CO LTD | 3 | 2021–2022 |
| CG RAIL CHINESISCH DEUTSCHES FORSCHUNGS UND ENTW FUER BAHN UND VERKEHRSTECHNIK DRESDEN GMBH | 1 | 2022 |
| INTEL CORP | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 6 | 2023–2025 |
| CN | 4 | 2021–2023 |