Patent Portfolio
A comprehensive collection of issued patents and patent applications spanning microfluidics, semiconductor fabrication, and healthcare technology innovations that advance the state of the art.
Devices, Cartridges, and Sensors for Analyzing a Biological Sample
Patent Number: US 11,400,452
Date: August 2, 2022
Assignee: Chronus Health, Inc.
Abstract:
This patent describes cartridges and devices designed for analyzing biological samples, such as blood or saliva. It includes methods for determining cell counts or detecting analytes using impedance sensors and electrowetting electrode arrays configured to transport aqueous solutions using low voltage.
Metal-Oxide-Semiconductor Capacitor Based Sensor
Patent Number: US 10,105,082
Date: October 23, 2018
Assignee: IBM Corporation
Abstract:
This patent details a glucose sensor comprising a conducting back electrode, a silicon substrate, a dielectric layer, a pH sensing layer, and a chemical layer in contact with an aqueous solution. The sensor also includes a conductive electrode disposed on the dielectric layer, facilitating glucose detection.
Selective Dry Etch for Directed Self-Assembly of Block Copolymers
Patent Number: US 10,043,668
Date: August 7, 2018
Assignee: IBM Corporation
Abstract:
This patent presents methods for preparing a patterned directed self-assembly layer by providing a substrate with a block copolymer layer. The process involves exposing the block polymer layer to gas pulsing carbon monoxide, configured to selectively remove specific patterns of phase-separated polymers, aiding in semiconductor fabrication.
Field Effect Transistor-Based Bio-Sensor
Patent Number: US 9,110,014
Date: August 18, 2015
Assignee: IBM Corporation
Abstract:
This patent describes a biosensor comprising a sensing element formed on a buried oxide layer of a substrate, providing communication between source and drain regions. It includes a gate dielectric layer defining a sensing surface, a passive surface surrounding the sensing surface, and a compound bound to the sensing surface, specifically configured to bind target molecules for detection.
Determination of Isoelectric Points of Biomolecules Using Capacitive Sensors
Patent Number: US 9,103,770
Date: August 11, 2015
Assignee: IBM Corporation
Abstract:
This patent provides a mechanism for determining the isoelectric point of a molecule by measuring capacitance versus voltage curves of a capacitor with and without the molecule bound to a functionalized material on the dielectric layer, facilitating biomolecular analysis.
Extended Gate Sensor for pH Sensing
Patent Number: US 9,201,041
Date: December 1, 2015
Assignee: GlobalFoundries Inc.
Abstract:
This patent outlines a sensing device that includes a substrate with source and drain regions, a gate structure with a gate dielectric and conductor, a dielectric layer forming a well over the gate conductor, and a gate extension with conductive material covering surfaces of the well, enabling pH sensing applications.
Current Patent Applications
Dr. Jagtiani has several patent applications currently under review, representing continued innovation in microfluidics and healthcare technology.
IMPEDANCE-BASED SENSORS AND METHODS FOR ANALYZING BLOOD SAMPLES
Application Number: U.S. Application No.: 63/667,579
PLATFORMS, CARTRIDGES, AND METHODS FOR ANALYZING BLOOD SAMPLES
Application Number: U.S. Application No.: 63/667,573
POTENTIOMETRY AND AMPEROMETRY SENSORS FOR ANALYZING BLOOD SAMPLES
Application Number: U.S. Application No.: 63/667,583
APTAMERS AND SENSORS FOR DETECTING ALBUMIN
Application Number: International Patent Application No.: PCT/US2024/043702
Based on: Based on U.S. Application No.: 63/578,775
Date: Filed: August 23, 2024
Patent Timeline
Determination of Isoelectric Points of Biomolecules Using Capacitive Sensors
US 9,103,770
IBM Corporation
Field Effect Transistor-Based Bio-Sensor
US 9,110,014
IBM Corporation
Extended Gate Sensor for pH Sensing
US 9,201,041
GlobalFoundries Inc.
Selective Dry Etch for Directed Self-Assembly of Block Copolymers
US 10,043,668
IBM Corporation
Metal-Oxide-Semiconductor Capacitor Based Sensor
US 10,105,082
IBM Corporation
Devices, Cartridges, and Sensors for Analyzing a Biological Sample
US 11,400,452
Chronus Health, Inc.
Patent Databases
View Dr. Jagtiani's patents on external patent databases for detailed technical information and legal status.