Inventor

Guangjun Xu

Inventor

San Jose, CA, US

Overview

5→

Patents

2011–2019

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

C03Bprimary

C03BManufacture, shaping, or supplementary processes28%

C03CChemical composition of glasses, glazes or vitreous enamels28%

A61JContainers specially adapted for medical or pharmaceutical purposes11%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

Y10TTechnical subjects covered by former us classification11%

PatentTitleYear

10,384,972Fused quartz tubing for pharmaceutical packaging and methods for making the same2019 9,919,948'Fused quartz tubing for pharmaceutical packaging'2018 9,399,000'Fused quartz tubing for pharmaceutical packaging'2016 8,230,702'Glass-tube extended-baking process'2012 7,946,135'Extended-baking process for glass deposition tubes'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2019Patents assigned to MOMENTIVE PERFORMANCE MAT INC (4)· patent assignee history

2011–2012Patents assigned to DRAKA COMTEQ BV (2)· patent assignee history

2011–2012Based in Mayfield Heights, OH, US· patent location history

2012–2019Patents assigned to XU GUANGJUN (3)· patent assignee history

2016Patents assigned to AHN KIPYUNG (1)· patent assignee history

2016Patents assigned to CONZONE SAMUEL (1)· patent assignee history

2016–2018Based in San Jose, CA, US· patent location history

2019Based in Cupertino, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOMENTIVE PERFORMANCE MAT INC	4	2011–2019
XU GUANGJUNself	3	2012–2019
DRAKA COMTEQ BV	2	2011–2012
AHN KIPYUNG	1	2016
CONZONE SAMUEL	1	2016

Locations

Location	Patents	Span
San Jose, California, US	2	2016–2018
Mayfield Heights, OH, US	2	2011–2012
Cupertino, California, US	1	2019