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Inventor

Kai Hu

Inventor
Hsinchu, TW

Overview

2→
Patents
2007–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C09Gprimary
C09GPolishing compositions20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
G02BOptical elements, systems or apparatus20%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them20%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
PatentTitleYear
10,725,212Lens20207,300,480'High-rate barrier polishing composition'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to ROHM & HAAS ELECT MAT (1)· patent assignee history
2007Based in Ambler, PA, US· patent location history
2020Patents assigned to YOUNG OPTICS INC (1)· patent assignee history
2020Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROHM & HAAS ELECT MAT12007
YOUNG OPTICS INC12020
Locations
LocationPatentsSpan
Hsinchu, TW12020
Ambler, Pennsylvania, US12007