Inventor
Min Du
Inventor
Campbell, CA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication27%
B60FVehicles for use both on rail and on road9%
B61DBody details or kinds of railway vehicles9%
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for9%
E01BPermanent way9%
F21VFunctional features or details of lighting devices or systems thereof9%
G06FElectric digital data processing9%
G09GArrangements or circuits for control of indicating devices using static means to present variable information9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
10,156,340Lampshade and lamp protection structure20189,365,983'Onsite steel rail laser processing vehicle'20169,363,067'Data signal transceiver circuitry for providing simultaneous bi-directional communication via a common conductor pair'20168,923,166'Data signal transceiver circuitry for providing simultaneous bi-directional communication via a common conductor pair'20147,564,454'Methods and displays having a self-calibrating delay line'20097,512,193'Circuit and method for pre-emphasis in data serialization'20095,321,833'Adaptive ranking system for information retrieval'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to GTE LABORATORIES INC (1)· patent assignee history
2009–2016Patents assigned to NAT SEMICONDUCTOR CORP (4)· patent assignee history
2009Based in San Jose, CA, US· patent location history
2009Based in Sunnyvale, CA, US· patent location history
2014Patents assigned to CEEKALA VIJAYA G (1)· patent assignee history
2014Patents assigned to DU MIN (1)· patent assignee history
2014–2016Based in Campbell, CA, US· patent location history
2016Based in Wuhan, CN· patent location history
2018Patents assigned to DONG GUAN UNIGARDEN COMPANY LTD (1)· patent assignee history
2018Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAT SEMICONDUCTOR CORP | 4 | 2009–2016 |
| CEEKALA VIJAYA G | 1 | 2014 |
| DONG GUAN UNIGARDEN COMPANY LTD | 1 | 2018 |
| DU MINself | 1 | 2014 |
| GTE LABORATORIES INC | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Campbell, California, US | 2 | 2014–2016 |
| Shenzhen, CN | 1 | 2018 |
| Wuhan, CN | 1 | 2016 |
| San Jose, California, US | 1 | 2009 |
| Sunnyvale, California, US | 1 | 2009 |