Inventor
Yu Liu
Inventor
Irvine, CA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis14%
G01RMeasuring electric variables11%
G02BOptical elements, systems or apparatus9%
B08BCleaning in general6%
G01BMeasuring length, thickness or similar linear dimensions6%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure6%
H01LSemiconductor devices6%
A61MDevices for introducing media into, or onto, the body3%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing3%
B24BMachines, devices, or processes for grinding or polishing3%
PatentTitleYear
10,686,158Display device202010,219,702Single fiber force-sensing of both axial and bending catheter tip forces20199,728,662'Semiconductor infrared photodetectors'20179,204,800'Low cost high efficiency signal interrogation for multi-channel optical coherence tomography'20159,138,148'High speed elastographic property mapping of lumens utilizing micropalpation delivered from an OCT-equipped catheter tip'20159,131,850'High spatial resolution optical coherence tomography rotation catheter'20158,905,175'Remote-controlled electric golf bag cart'20148,868,356'Multi-channel optical coherence tomography for imaging and temperature and force sensing'20148,509,577'Fiberoptic device with long focal length gradient-index or grin fiber lens'20137,235,992'Semiconductor facility'20076,907,165'Methods of fabricating a regenerated optical waveguide grating'20056,833,541'Dual-parameter optical waveguide grating sensing device and sensor'20046,659,847'Method of cleaning a probe card'20036,420,891'Wafer prober for in-line cleaning probe card'20025,949,245'Probe card with ground shield structure to minimize noise coupling effect during multiple-chip testing'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2007Patents assigned to POWERCHIP SEMICONDUCTOR CORP (4)· patent assignee history
2002–2007Based in Hsinchu, TW· patent location history
2004–2005Patents assigned to ASTON PHOTONIC TECH LTD (2)· patent assignee history
2004–2005Based in Birmingham, GB· patent location history
2013–2015Patents assigned to LIU YU (5)· patent assignee history
2013–2015Patents assigned to ST JUDE MEDICAL (5)· patent assignee history
2013–2019Based in Irvine, CA, US· patent location history
2017Based in San Diego, CA, US· patent location history
2020Patents assigned to INNOLUX CORP (1)· patent assignee history
2020Based in Miao-Li County, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LIU YUself | 5 | 2013–2015 |
| ST JUDE MEDICAL | 5 | 2013–2015 |
| POWERCHIP SEMICONDUCTOR CORP | 4 | 1999–2007 |
| ASTON PHOTONIC TECH LTD | 2 | 2004–2005 |
| INNOLUX CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irvine, California, US | 6 | 2013–2019 |
| Hsinchu, TW | 3 | 2002–2007 |
| Birmingham, GB | 2 | 2004–2005 |
| Miao-Li County, TW | 1 | 2020 |
| San Diego, California, US | 1 | 2017 |