Inventor
Di-Fong Chang
Inventor
Torrance, CA, US
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| SIMPLEHUMAN LLC | 2 | 2021 |
| LG CHEMICAL LTD | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Torrance, California, US | 2 | 2021 |
| Chungbuk, KR | 1 | 2018 |