Inventor
Yu-Yin Liu
Inventor
Taipei, TW
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B43Kprimary
B43KImplements for writing or drawing50%
G02CSpectacles13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
H01HElectric switches13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
10,031,345Slip-resistant eyewear system20189,916,943'Linkage mechanism and press key including the same'20188,087,841'Retractable pen with retraction-linking device for extending pen-body'20127,926,968'Dual mode luminous ball pen'20117,854,559'Pen with double pen barrel'20107,220,012'Illuminating clip for pen'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2012Patents assigned to LIU YU-YIN (2)· patent assignee history
2007–2012Based in Taipei, TW· patent location history
2010–2012Patents assigned to SPARK GOLD CO (3)· patent assignee history
2018Patents assigned to LOOLOOPS LLC (1)· patent assignee history
2018Patents assigned to SUNREX TECHNOLOGY CORP (1)· patent assignee history
2018Based in Tempe, AZ, US· patent location history
2018Based in Taichung, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SPARK GOLD CO | 3 | 2010–2012 |
| LIU YU-YINself | 2 | 2007–2012 |
| LOOLOOPS LLC | 1 | 2018 |
| SUNREX TECHNOLOGY CORP | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 4 | 2007–2012 |
| Tempe, AZ, US | 1 | 2018 |
| Taichung, TW | 1 | 2018 |