Inventor
XUZHI QIN
Inventor
US
Overview
Patents· 1 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 state10%
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. inserts10%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
C08JWorking-up10%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%
C08LCompositions of macromolecular compounds10%
G02BOptical elements, systems or apparatus10%
G02CSpectacles10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
11,420,426Photochromic polyurethane laminate2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to HOYA OPTICAL LABS OF AMERICA INC (1)· patent assignee history
2022Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOYA OPTICAL LABS OF AMERICA INC | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 1 | 2022 |