Inventor
Joseph S. Chan
Inventor
Los Gatos, CA, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Kprimary
G06KGraphical data reading19%
G01SRadio direction-finding15%
H04BTransmission15%
G01RMeasuring electric variables11%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes11%
G07CTime or attendance registers11%
G01DMeasuring not specially adapted for a specific variable4%
G08GTraffic control systems4%
G09FDisplaying4%
H02JElectric power networks4%
PatentTitleYear
8,264,331'Method and apparatus for detecting container movement by a crane'20128,253,541'Method and apparatus for varying signals transmitted by a tag'20128,164,307'Method and apparatus for monitoring the voltage of a battery'20128,111,141'Received signal strength distance determination of low frequency tags'20128,068,009'Radio frequency identification system and a method of operating same'20117,911,182'Method and apparatus for detecting a battery voltage'20117,768,392'Received signal strength location determination of low frequency tags'20107,629,879'Method and apparatus for handling signpost signals in a tag'20097,570,176'Radio frequency identification tag and a method of operating same'20097,570,150'Method and apparatus for coordinating communications between a tag and a reader'20097,541,942'Method and apparatus for processing signpost signals received by a tag'20097,434,731'Method and apparatus for efficient data transmission from a tag'20087,386,404'Method and apparatus for monitoring battery discharge state'20087,358,856'Two-phase commit synchronizing seal state'20086,940,392'Method and apparatus for varying signals transmitted by a tag'20056,765,484'Method and apparatus for supplying commands to a tag'20046,747,558'Method and apparatus for providing container security with a tag'20045,909,640'Wireless communication system for adapting to frequency drift'19995,734,966'Wireless communication system for adapting to frequency drift'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2012Based in Milpitas, CA, US· patent location history
2004–2012Patents assigned to SAVI TECHN INC (17)· patent assignee history
2008–2012Based in Los Gatos, CA, US· patent location history
2011–2012Patents assigned to CARGONJA NIKOLA (5)· patent assignee history
2011–2012Patents assigned to CHAN JOSEPH S (4)· patent assignee history
2011–2012Patents assigned to NARDELLI ALBERT (3)· patent assignee history
2012Patents assigned to BRAND TIMOTHY K (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAVI TECHN INC | 17 | 2004–2012 |
| CARGONJA NIKOLA | 5 | 2011–2012 |
| CHAN JOSEPH Sself | 4 | 2011–2012 |
| BRAND TIMOTHY K | 3 | 2012 |
| NARDELLI ALBERT | 3 | 2011–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Los Gatos, California, US | 10 | 2008–2012 |
| Milpitas, California, US | 9 | 1998–2012 |