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Inventor

John P. Hatfield

Inventor
Hope Valley, RI, US

Overview

3→
Patents
2005–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices40%
C07CAcyclic or carbocyclic compounds20%
LOC0820%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
D0917495Adjustable computer stand20216,911,297'Photoresist compositions'20056,855,476'Photoacid generators for use in photoresist compositions'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to ARCH SPEC CHEM INC (2)· patent assignee history
2005Based in Hope Valley, RI, US· patent location history
2021Patents assigned to HumanCentric Ventures LLC (1)· patent assignee history
2021Based in Skokie, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARCH SPEC CHEM INC22005
HumanCentric Ventures LLC12021
Locations
LocationPatentsSpan
Hope Valley, RI, US22005
Skokie, Illinois, US12021