Inventor
Sungwhan Cha
Inventor
Irvine, CA, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A44Bprimary
A44BButtons, pins, buckles, slide fasteners, or the like50%
A45CPurses50%
PatentTitleYear
8,915,356'Key management system and organizer'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014Patents assigned to CHA SUNGWHAN (1)· patent assignee history
2014Patents assigned to KIM YOONJUNG (1)· patent assignee history
2014Based in Irvine, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHA SUNGWHANself | 1 | 2014 |
| KIM YOONJUNG | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irvine, California, US | 1 | 2014 |