Inventor
Ruonan Sun
Inventor
Ann Arbor, MI, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines22%
Y02TClimate change mitigation technologies related to transportation22%
F01LCyclically operating valves for machines or engines11%
F02DControlling combustion engines11%
G07CTime or attendance registers11%
G08GTraffic control systems11%
H04WWireless communication networks11%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005Patents assigned to US ADMINISTRATION OF THE U S E (1)· patent assignee history
2005–2011Based in Ann Arbor, MI, US· patent location history
2011Patents assigned to US ENVIRONMENT (1)· patent assignee history
2021Patents assigned to SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INST CO LTD (1)· patent assignee history
2021Based in Shandong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INST CO LTD | 1 | 2021 |
| US ADMINISTRATION OF THE U S E | 1 | 2005 |
| US ENVIRONMENT | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ann Arbor, MI, US | 2 | 2005–2011 |
| Shandong, CN | 1 | 2021 |