Inventor
SIVAPACKIA GANAPATHIAPPAN
Inventor
US
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices11%
B29CShaping or joining of plastics8%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering8%
B24BMachines, devices, or processes for grinding or polishing7%
H10HInorganic light-emitting semiconductor devices having potential barriers7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
PatentTitleYear
12,283,647Chelating agents for quantum dot precursor materials in color conversion layers for micro-LEDs202512,202,197Lighting for additive manufacturing202512,195,635Liquid dispersion of quantum dot particles202512,187,935Liquid dispersion of quantum dots in an acrylic monomer medium202512,044,963High refractive index imprint compositions and materials and processes for making the same202412,033,887Assembly of display with color conversion layer and isolation walls202412,006,442Additive manufacturing of polishing pads202411,980,992Integrated abrasive polishing pads and manufacturing methods202411,965,103Additive manufacturing of polishing pads202411,942,576Blue color converter for micro LEDs202411,942,456Display formed by curing of color conversion layer in recess202411,911,870Polishing pads for high temperature processing202411,908,979Chelating agents for quantum dot precursor materials in color conversion layers for micro-LEDs202411,888,096Quantum dot formulations with thiol-based crosslinkers for UV-LED curing202411,888,093Display with color conversion layer and isolation walls202411,851,570Anionic polishing pads formed by printing processes202311,855,241LED device having blue photoluminescent material and red/green quantum dots202311,843,025Methods for transfer of micro-devices202311,826,876Hydrophilic and zeta potential tunable chemical mechanical polishing pads202311,798,831Method for substrate registration and anchoring in inkjet printing202311,772,229Method and apparatus for forming porous advanced polishing pads using an additive manufacturing process202311,745,302Methods and precursor formulations for forming advanced polishing pads by use of an additive manufacturing process202311,685,014Formulations for advanced polishing pads202311,648,731Forming three-dimensional (3D) printed electronics202311,646,397Chelating agents for quantum dot precursor materials in color conversion layers for micro-LEDs202311,638,979Additive manufacturing of polishing pads202311,612,978Additive manufacturing of polishing pads202311,471,999Integrated abrasive polishing pads and manufacturing methods202211,458,679Lighting for additive manufacturing202211,404,612LED device having blue photoluminescent material and red/green quantum dots202211,367,643Method for substrate registration and anchoring in inkjet printing202211,329,003Anchoring dies using 3D printing to form reconstructed wafer202211,322,381Method for substrate registration and anchoring in inkjet printing202211,254,068Three-dimensional (3D) printing method202211,251,226Systems and methods for transfer of micro-devices202211,239,213In-situ curing of color conversion layer in recess202211,137,243Two step curing of polishing pad material in additive manufacturing2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to APPLIED MATERIALS INC (33)· patent assignee history
2021–2025Based in US· patent location history
2022–2025Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLIED MATERIALS INC | 33 | 2021–2025 |
| HEWLETT PACKARD DEVELOPMENT CO | 4 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 37 | 2021–2025 |