Inventor

Tom Liu

Inventor
Shanghai, CN

Overview

6→
Patents
1998–2021
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G01Gprimary
G01GWeighing18%
G07BTicket-issuing apparatus18%
LOC1418%
F16HGearing9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
H02KDynamo-electric machines9%
Y02TClimate change mitigation technologies related to transportation9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to PRIMAX ELECTRONICS LTD (1)· patent assignee history
1998Based in Taipei, TW· patent location history
2001–2003Patents assigned to PITNEY BOWES INC (2)· patent assignee history
2001–2003Based in Trumbull, CT, US· patent location history
2020Patents assigned to HONEYWELL INT INC (2)· patent assignee history
2020Based in Shanghai, CN· patent location history
2021Patents assigned to JING JIN ELECTRIC TECH CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONEYWELL INT INC22020
PITNEY BOWES INC22001–2003
JING JIN ELECTRIC TECH CO LTD12021
PRIMAX ELECTRONICS LTD11998
Locations
LocationPatentsSpan
Shanghai, CN22020
Trumbull, CT, US22001–2003
Beijing, CN12021
Taipei, TW11998