Fei Liu

US Patent:

8605499, Dec 10, 2013

Filed:

Apr 22, 2011

Appl. No.:

13/092247

Inventors:

Leland Chang - New York NY, US
Michael A. Guillorn - Yorktown Heights NY, US
Dechao Guo - Fishkill NY, US
Fei Liu - Yorktown Heights NY, US
Keith Kwong Hon Wong - Wappingers Falls NY, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G11C 11/50

US Classification:

365164, 365149, 365226

Abstract:

Systems and methods for operating a nanometer-scale cantilever beam with a gate electrode. An example system includes a drive circuit coupled to the gate electrode where a drive signal from the circuit may cause the beam to oscillate at or near the beam's resonance frequency. The drive signal includes an AC component, and may include a DC component as well. An alternative example system includes a nanometer-scale cantilever beam, where the beam oscillates to contact a plurality of drain regions.

US Patent:

8645304, Feb 4, 2014

Filed:

Aug 19, 2011

Appl. No.:

13/213273

Inventors:

Huijing Jiang - White Plains NY, US
Fei Liu - Scarsdale NY, US
Aurelie C. Lozano - Scarsdale NY, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06N 5/02

US Classification:

706 47

Abstract:

Structural changes in causal relationship over time may be detected, for example, by a Markov switching vector autoregressive model that detects and infers the structural changes in the causal graphs.

US Patent:

20120278051, Nov 1, 2012

Filed:

Apr 29, 2011

Appl. No.:

13/098044

Inventors:

Huijing Jiang - White Plains NY, US
Young Min Lee - Old Westbury NY, US
Fei Liu - Scarsdale NY, US

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY

International Classification:

G06F 17/10
G06F 19/00
G01R 19/00

US Classification:

703 2, 702 64

Abstract:

Multi-step statistical modeling in one embodiment of the present disclosure enables anomaly detection, forecasting and/or root cause analysis of the energy consumption for a portfolio of buildings using multi-step statistical modeling. In one aspect, energy consumption data associated with a building, building characteristic data associated with the building, building operation and activities data associated with the building, and weather data are used to generate a variable based degree model. A base load factor, a heating coefficient and a cooling coefficient associated with the building and an error term are determined from the variable based degree model and used to generate a plurality of multivariate regression models. A time series model is generated for the error term to model seasonal factors which reflect monthly dependence on energy use and an auto-regressive integrated moving average model (ARIMA) which reflects temporal dependent patterns of the energy use.

US Patent:

20130183553, Jul 18, 2013

Filed:

Jan 12, 2012

Appl. No.:

13/349255

Inventors:

Hariklia Deligianni - Tenafly NJ, US
Harold J. Hovel - Katonah NY, US
Fei Liu - Yorktown Heights NY, US

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY

International Classification:

H01M 10/42
H01M 4/04
H01M 2/20

US Classification:

429 61, 296231, 296235

Abstract:

A useful lifetime of an energy storage device can be extended by providing a series connection of a battery cell and an self-programming fuse. A plurality of series connections of a battery cell and an self-programming fuse can then be connected in a parallel connection to expand the energy storage capacity of the energy storage device. Each self-programming fuse can be a strip of a metal semiconductor alloy material, which electromigrates when a battery cell is electrically shorted and causes increases in the amount of electrical current therethrough. Thus, each self-programming fuse is a self-programming circuit that opens once the battery cell within the same series connection is shorted.

US Patent:

20200080957, Mar 12, 2020

Filed:

Nov 15, 2019

Appl. No.:

16/684888

Inventors:

- Armonk NY, US
Hariklia Deligianni - Alpine NJ, US
Fei Liu - Yorktown Heights NY, US

International Classification:

G01N 27/327
G01N 27/30
G01N 27/36
C23C 16/40
C23C 16/56
C23C 16/02
A61B 5/145
A61B 5/1468
A61B 5/00
A61B 5/04

Abstract:

Embodiments of the invention are directed to a system for detecting neurotransmitters. A non-limiting example of the system includes a porous electrode. A system can also include a pH sensor attached to the porous electrode, wherein the pH sensor includes a sensing electrode and a reference electrode. The system can also include electronic circuitry in communication with the pH sensor.

US Patent:

20190366073, Dec 5, 2019

Filed:

Aug 16, 2019

Appl. No.:

16/542574

Inventors:

- ARMONK NY, US
Hariklia Deligianni - Alpine NJ, US
Fei Liu - Yorktown Heights NY, US

International Classification:

A61N 1/05
H01L 21/762
A61B 5/00
A61N 1/36
A61B 5/04

Abstract:

Aspects include high resolution brain-electronic interfaces and related methods. Aspects include forming a semiconductor circuit on a substrate, depositing a tensile stress layer on the circuit, and separating the semiconductor circuit from a portion of the silicon substrate. Aspects also include removing the tensile stress layer from the semiconductor circuit and transferring the semiconductor circuit to a biocompatible film.

US Patent:

20180364192, Dec 20, 2018

Filed:

Jun 19, 2017

Appl. No.:

15/626363

Inventors:

- ARMONK NY, US
HARIKLIA DELIGIANNI - ALPINE NJ, US
FEI LIU - YORKTOWN HEIGHTS NY, US

International Classification:

G01N 27/327
G01N 27/30
G01N 27/36
C23C 16/40
C23C 16/56
C23C 16/02
A61B 5/145
A61B 5/1468
A61B 5/00

Abstract:

Embodiments of the invention are directed to a system for detecting neurotransmitters. A non-limiting example of the system includes a porous electrode. A system can also include a pH sensor attached to the porous electrode, wherein the pH sensor includes a sensing electrode and a reference electrode. The system can also include electronic circuitry in communication with the pH sensor.

US Patent:

20180272123, Sep 27, 2018

Filed:

Mar 22, 2017

Appl. No.:

15/466171

Inventors:

- Armonk NY, US
Hariklia Deligianni - Alpine NJ, US
Fei Liu - Yorktown Heights NY, US

International Classification:

A61N 1/05
H01L 21/683
H01L 21/306
H01L 21/762
H01L 23/14
A61B 5/00
A61N 1/36
A61B 5/04

Abstract:

Aspects include high resolution brain-electronic interfaces and related methods. Aspects include forming a semiconductor circuit on a substrate, depositing a tensile stress layer on the circuit, and separating the semiconductor circuit from a portion of the silicon substrate. Aspects also include removing the tensile stress layer from the semiconductor circuit and transferring the semiconductor circuit to a biocompatible film.