Inventor
James C. Liu
Inventor
Santa Rosa, CA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables19%
G06FElectric digital data processing16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
E05FDevices for moving wings into open or closed position6%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof6%
F16FSprings6%
LOC096%
B25HWorkshop equipment, e.g. for marking-out work3%
B27CPlaning, drilling, milling, turning or universal machines for wood or similar material3%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load3%
PatentTitleYear
D0859156Tattoo ink bottle20198,851,462'Level adjusting device for worktable of jointer/planar machine'20148,056,590'Woodworking machine with adjustment unit'20118,044,819'Coal boundary detection using an electric-field borehole telemetry apparatus'20117,652,484'Self calibration apparatus and methods'20107,406,686'Systems and methods for software performance tuning'2008D0573886'Bottle'20087,143,133'System and method for appending server-side glossary definitions to transient web content in a networked computing environment'20067,124,049'Method for implementing TRL calibration in VNA'20067,013,229'Obtaining calibration parameters for a three-port device under test'20066,995,571'Vector network analyzer mixer calibration using the unknown thru calibration'20066,978,441'Rating apparatus and method for evaluating bugs'20056,965,241'Automated electronic calibration apparatus'20056,914,436'Electronic calibration circuit for calibrating a network analyzer'20056,798,310'Coaxial DC block'20046,644,615'Stabilized jack stand'2003D0433207'Floor jack'20006,134,600'Method and apparatus for dynamic derivatives desktops'20006,058,482'Apparatus, method and system for providing network security for executable code in computer and communications networks'20005,953,005'System and method for on-line multimedia access'19995,340,985'Mixed field radiation dosimeter'19944,991,255'Pneumatic door-closer usable for left-hinged and right-hinged doors'19914,817,238'Pneumatic door-closer having a closable passage and a regulatable passage'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to LIU JAMES C (2)· patent assignee history
1989–2014Based in Taichung, TW· patent location history
1999–2008Patents assigned to SUN MICROSYSTEMS INC (6)· patent assignee history
1999–2008Based in Sunnyvale, CA, US· patent location history
2000–2003Patents assigned to LARIN CORP (2)· patent assignee history
2004–2010Patents assigned to AGILENT TECHNOLOGIES INC (7)· patent assignee history
2004–2010Based in Santa Rosa, CA, US· patent location history
2011–2014Patents assigned to LIU JAMES (2)· patent assignee history
2011Based in The Woodlands, TX, US· patent location history
2019Based in Toronto, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGILENT TECHNOLOGIES INC | 7 | 2004–2010 |
| SUN MICROSYSTEMS INC | 6 | 1999–2008 |
| LARIN CORP | 2 | 2000–2003 |
| LIU JAMESself | 2 | 2011–2014 |
| LIU JAMES Cself | 2 | 1989–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Rosa, California, US | 7 | 2004–2010 |
| Sunnyvale, California, US | 6 | 1999–2008 |
| Taichung, TW | 4 | 1989–2014 |
| Toronto, CA | 1 | 2019 |
| The Woodlands, Texas, US | 1 | 2011 |