Inventor

Joe Chang

Inventor
Taichung, TW

Overview

13→
Patents
1976–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing8%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials8%
D21HPulp compositions8%
G06FElectric digital data processing8%
H01HElectric switches8%
H03MCoding8%
LOC038%
LOC168%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1976Based in St. Paul, MN, US· patent location history
1997–1998Patents assigned to BEHAVIOR TECH COMPUTER CORP (2)· patent assignee history
1997–2005Based in Taipei, TW· patent location history
2000Patents assigned to LARGAN DIGITAL CO LTD (2)· patent assignee history
2000–2013Based in Taichung, TW· patent location history
2007Patents assigned to MACRONIX INT CO LTD (2)· patent assignee history
2007Based in Hsinchu, TW· patent location history
2013Patents assigned to CHANG JOE (2)· patent assignee history
2013Based in Carbondale, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEHAVIOR TECH COMPUTER CORP21997–1998
CHANG JOEself22013
LARGAN DIGITAL CO LTD22000
MACRONIX INT CO LTD22007
MINNESOTA MINING & MFG21976
Locations
LocationPatentsSpan
Taichung, TW42000–2013
Taipei, TW41997–2005
Hsinchu, TW22007
St. Paul, Minnesota, US21976
Carbondale, Illinois, US12013