Inventor

Xuzhi Qin

Inventor
Hacienda Heights, CA, US

Overview

17→
Patents
2003–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus15%
B29DProducing particular articles from plastics or from substances in a plastic state10%
Y10TTechnical subjects covered by former us classification10%
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%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08LCompositions of macromolecular compounds8%
G02CSpectacles8%
C07DHeterocyclic compounds7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2006Patents assigned to VISION EASE LENS INC (4)· patent assignee history
2003–2018Based in Hacienda Heights, CA, US· patent location history
2008–2014Patents assigned to INSIGHT EQUITY A P X L P (4)· patent assignee history
2008–2014Patents assigned to INSIGHT EQUITY A P X LP (3)· patent assignee history
2010–2013Patents assigned to BOULINEAU MICHAEL S (3)· patent assignee history
2010–2013Patents assigned to QIN XUZHI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INSIGHT EQUITY A P X L P42008–2014
VISION EASE LENS INC42003–2006
BOULINEAU MICHAEL S32010–2013
INSIGHT EQUITY A P X LP32008–2014
QIN XUZHIself32010–2013
Locations
LocationPatentsSpan
Hacienda Heights, California, US172003–2018