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Inventor

Changhua Han

Inventor
Shenzhen, CN

Overview

3→
Patents
2017–2021
Patent span
LOC
Primary field

Patents· 3 as inventor

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

LOC08primary
LOC0867%
LOC1033%
PatentTitleYear
D0919416Zip line trolley2021D0918697Zip line trolley2021D0788604'Room control unit'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to SIEMENS SCHWEIZ AG (1)· patent assignee history
2017Based in Beijing, CN· patent location history
2021Patents assigned to HAN CHANGHUA (2)· patent assignee history
2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAN CHANGHUAself22021
SIEMENS SCHWEIZ AG12017
Locations
LocationPatentsSpan
Shenzhen, CN22021
Beijing, CN12017