Inventor
Haifeng Shan
Inventor
Shrewsbury, MA, US
Overview
Patents· 8 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 state18%
G02CSpectacles18%
G02BOptical elements, systems or apparatus15%
Y10TTechnical subjects covered by former us classification9%
B28DWorking stone or stone-like materials6%
B29CShaping or joining of plastics6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
B24BMachines, devices, or processes for grinding or polishing3%
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. inserts3%
PatentTitleYear
10,768,448Apparatuses and methods for blue-cut lenses202010,562,248Optical lens comprising a protective removable film202010,114,234Transparent optical article having a reduced yellowness appearance20189,477,099'Transparent optical element with dual light-polarizing effect'20169,274,253'Process of drilling organic glasses'20169,242,418'Ophthalmic lens containing a fresnel surface and method for manufacturing same'20169,120,277'Process of drilling organic glasses using a thermoplastic film protecting against cracking and crazing'20158,920,585'Asymmetric bladder compression for elimination of lamination defects on progressive addition lenses'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to ESSILOR INT (8)· patent assignee history
2014–2016Patents assigned to SHAN HAIFENG (2)· patent assignee history
2014Patents assigned to JIANG PEIQI (1)· patent assignee history
2014–2020Based in Shrewsbury, MA, US· patent location history
2015Based in St. Petersburg, FL, US· patent location history
2016Patents assigned to GOU ZEMING (1)· patent assignee history
2016Patents assigned to HOULE BILL (1)· patent assignee history
2018–2020Based in Dallas, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ESSILOR INT | 8 | 2014–2020 |
| SHAN HAIFENGself | 2 | 2014–2016 |
| GOU ZEMING | 1 | 2016 |
| HOULE BILL | 1 | 2016 |
| JIANG PEIQI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shrewsbury, Massachusetts, US | 5 | 2014–2020 |
| Dallas, Texas, US | 2 | 2018–2020 |
| St. Petersburg, Florida, US | 1 | 2015 |