Inventor

JOSEPH CHANG

Inventor
US

Overview

4→
Patents
2022–2024
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B29Cprimary
B29CShaping or joining of plastics13%
B29LIndexing scheme associated with subclass b29c, relating to particular articles13%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
G01SRadio direction-finding13%
G08GTraffic control systems13%
H01LSemiconductor devices13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to 3D SYSTEMS INC (1)· patent assignee history
2022Patents assigned to YASKAWA ELECTRIC CORP (1)· patent assignee history
2022–2024Based in US· patent location history
2022Based in KR· patent location history
2024Patents assigned to RAYTHEON CO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RAYTHEON CO22024
3D SYSTEMS INC12022
YASKAWA ELECTRIC CORP12022
Locations
LocationPatentsSpan
US32022–2024
KR12022