Inventor
Prakash Gothoskar
Inventor
Allentown, PA, US
Overview
Patents· 55 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus39%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein21%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B82YSpecific uses or applications of nanostructures4%
H01LSemiconductor devices4%
H04BTransmission4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
H10DInorganic electric semiconductor devices3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
PatentTitleYear
11,067,765Evanescent coupling of photodiode with optical waveguide202111,042,050Polarization splitter-rotator with embedded PIN structure202111,036,069Optical modulator using monocrystalline and polycrystalline silicon202111,022,757Using an anti-reflection coating with a grating coupler202110,976,498Tray and clip structure for optomechanical components202110,969,546Electro-optic modulator with monocrystalline semiconductor waveguides202110,914,892Germanium photodetector coupled to a waveguide202110,598,967Electro-optical modulator using waveguides with overlapping ridges202010,175,448Slotted configuration for optimized placement of micro-components using adhesive bonding20199,978,890Germanium multi-directional detector20189,766,484'Electro-optical modulator using waveguides with overlapping ridges'20179,632,335'Electro-optical modulator with a vertical capacitor structure'20179,419,718'Aligning optical components in a multichannel receiver or transmitter platform'20169,360,688'Electro-optical modulators with folded gate layers'20169,343,450'Wafer scale packaging platform for transceivers'20169,310,629'Electro-optical modulator with a vertical capacitor structure'20168,836,100'Slotted configuration for optimized placement of micro-components using adhesive bonding'20148,803,269'Wafer scale packaging platform for transceivers'20148,618,625'Silicon-based schottky barrier detector with improved responsivity'20138,363,995'Sub-micron planar lightwave devices formed on an SOI optical platform'20138,363,986'Dopant profile control for high speed silicon-based optical modulators'20138,121,450'Coupling between free space and optical waveguide using etched coupling surfaces'20127,941,023'Ultra low-loss CMOS compatible silicon waveguides'20117,929,814'Sub-micron planar lightwave devices formed on an SOI optical platform'20117,706,644'Offset launch mode from nanotaper waveguide into multimode fiber'20107,701,985'SOI-based tunable laser'20107,697,793'Silicon modulator offset tuning arrangement'20107,657,130'Silicon-based optical modulator for analog applications'20107,587,106'Optical crossover in thin silicon'20097,515,778'Segmented optical modulator'20097,499,620'Low loss SOI/CMOS compatible silicon waveguide'20097,447,395'Silicon modulator offset tuning arrangement'20087,440,703'High-speed, silicon-based electro-optic modulator with feedback control'20087,415,184'Wideband optical coupling into thin SOI CMOS photonic integrated circuit'20087,358,585'Silicon-based Schottky barrier infrared optical detector'20087,327,911'Optical detector configuration and utilization as feedback control in monolithic integrated optic and electronic arrangements'20087,298,949'SOI-based photonic bandgap devices'20077,269,809'Integrated approach for design, simulation and verification of monolithic, silicon-based opto-electronic circuits'20077,187,837'Active manipulation of light in a silicon-on-insulator (SOI) structure'20077,118,682'Low loss SOI/CMOS compatible silicon waveguide and method of making the same'20067,113,676'Planar waveguide optical isolator in thin silicon-on-isolator (SOI) structure'20067,109,739'Wafer-level opto-electronic testing apparatus and method'20067,065,301'High speed, silicon-based electro-optic modulator'20067,058,261'Interfacing multiple wavelength sources to thin optical waveguides utilizing evanescent coupling'20067,020,364'Permanent light coupling arrangement and method for use with thin silicon optical waveguides'20067,013,067'Silicon nanotaper couplers and mode-matching devices'20067,003,196'External grating structures for interfacing wavelength-division-multiplexed optical sources with thin optical waveguides'20067,000,207'Method of using a Manhattan layout to realize non-Manhattan shaped optical structures'20066,993,225'Tapered structure for providing coupling between external optical device and planar optical waveguide and method of forming the same'20066,980,720'Mode transformation and loss reduction in silicon waveguide structures utilizing tapered transition regions'20056,968,110'CMOS-compatible integration of silicon-based optical devices with electronic devices'20056,934,444'Beam shaping and practical methods of reducing loss associated with mating external sources and optics to thin silicon waveguides'20056,917,730'Arrangements for reducing wavelength sensitivity in prism-coupled SOI-based optical systems'20056,897,498'Polycrystalline germanium-based waveguide detector integrated on a thin silicon-on-insulator (SOI) platform'20056,845,198'High-speed silicon-based electro-optic modulator'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2008Patents assigned to SIOPTICAL INC (23)· patent assignee history
2005–2021Based in Allentown, PA, US· patent location history
2006–2014Patents assigned to GOTHOSKAR PRAKASH (7)· patent assignee history
2006–2014Patents assigned to PATEL VIPULKUMAR (7)· patent assignee history
2009–2012Patents assigned to LIGHTWIRE INC (10)· patent assignee history
2013–2021Patents assigned to CISCO TECH INC (19)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIOPTICAL INC | 23 | 2005–2008 |
| CISCO TECH INC | 19 | 2013–2021 |
| LIGHTWIRE INC | 10 | 2009–2012 |
| GOTHOSKAR PRAKASHself | 7 | 2006–2014 |
| PATEL VIPULKUMAR | 7 | 2006–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Allentown, Pennsylvania, US | 55 | 2005–2021 |