Inventor
Jian Liu
Inventor
Sunnyvale, CA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light22%
H04BTransmission17%
Y10TTechnical subjects covered by former us classification17%
A61BDiagnosis6%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%
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 load6%
E04HBuildings or like structures for particular purposes6%
F16GBelts, cables, or ropes, predominantly used for driving purposes6%
F16HGearing6%
G02BOptical elements, systems or apparatus6%
PatentTitleYear
9,217,497'Push chain, linear motion driving device and patient table'20158,567,271'Vertical movement device for an examining table'20138,555,445'Hydraulic driven jaw-type clutch impeller combination and swimming pool bottom hydraulic pushed automatic cleaner comprising same'20138,302,521'Die with a punch module'20127,495,825'Integration of a gain equalization filter in a gain medium'20097,440,171'Staged amplifier for lower noise figure and higher saturation power'20087,236,700'Scalable and exchangeable erbium doped fiber amplifier for DWDM'20077,031,051'Dual fiber optic amplifier with shared pump source'20066,987,905'Simplified gain flattening and tap device'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2009Patents assigned to FINISAR CORP (5)· patent assignee history
2006–2009Based in Sunnyvale, CA, US· patent location history
2007Based in Mountain View, CA, US· patent location history
2012Based in Shenzhen, CN· patent location history
2013–2015Patents assigned to LIU JIAN (3)· patent assignee history
2013–2015Patents assigned to SIEMENS AG (2)· patent assignee history
2013Patents assigned to FU GUILAN (1)· patent assignee history
2013Patents assigned to GONG XINRU (1)· patent assignee history
2013–2015Based in Shanghai, CN· patent location history
2013Based in Tianjin, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FINISAR CORP | 5 | 2006–2009 |
| LIU JIANself | 3 | 2013–2015 |
| SIEMENS AG | 2 | 2013–2015 |
| FU GUILAN | 1 | 2013 |
| GONG XINRU | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 4 | 2006–2009 |
| Shanghai, CN | 2 | 2013–2015 |
| Tianjin, CN | 1 | 2013 |
| Shenzhen, CN | 1 | 2012 |
| Mountain View, California, US | 1 | 2007 |