Inventor

Lifeng Chen

Inventor

Findlay, OH, US

Overview

2009–2020

Patent span

Chemistry

Primary field (CPC C)

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

B41Jprimary

B41JTypewriters19%

C09DCoating compositions, e.g. paints, varnishes or lacquers19%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%

C08LCompositions of macromolecular compounds13%

G03GElectrography13%

G06KGraphical data reading6%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%

LOC146%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to DELTA ELECTRONICS INC (1)· patent assignee history

2009Based in Shanghai, CN· patent location history

2013Patents assigned to CHEN LIFENG (1)· patent assignee history

2013Patents assigned to CHEN RUILIN (1)· patent assignee history

2013Patents assigned to CHEN WENCHUAN (1)· patent assignee history

2013Based in Fujian, CN· patent location history

2016–2017Patents assigned to XEROX CORP (3)· patent assignee history

2016–2017Based in Findlay, OH, US· patent location history

2020Based in Shenzhen, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations