Inventor

Di-Fong Chang

Inventor
Torrance, CA, US

Overview

3→
Patents
2018–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B08Bprimary
B08BCleaning in general33%
B65FGathering or removal of domestic or like refuse33%
LOC0633%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to LG CHEMICAL LTD (1)· patent assignee history
2018Based in Chungbuk, KR· patent location history
2021Patents assigned to SIMPLEHUMAN LLC (2)· patent assignee history
2021Based in Torrance, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIMPLEHUMAN LLC22021
LG CHEMICAL LTD12018
Locations
LocationPatentsSpan
Torrance, California, US22021
Chungbuk, KR12018