Hiroaki Ebihara

Person

Santa Clara, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Deep N-well driven ramp buffer
- Patent number 12,302,025
- Issue date May 13, 2025
- OmniVision Technologies, Inc.
- Shan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive correlated multiple sampling
- Patent number 12,294,804
- Issue date May 6, 2025
- OmniVision Technologies, Inc.
- Jiayu Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual gain column structure for column power area efficiency
- Patent number 12,249,999
- Issue date Mar 11, 2025
- OmniVision Technologies, Inc.
- Rui Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dynamic current control for column ADC
- Patent number 12,199,632
- Issue date Jan 14, 2025
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Adaptive correlated multiple sampling
- Patent number 12,200,389
- Issue date Jan 14, 2025
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dual gain column structure for column power area efficiency
- Patent number 12,114,092
- Issue date Oct 8, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bitline settling and power supply rejection ratio in a nine cell pi...
- Patent number 12,088,937
- Issue date Sep 10, 2024
- OmniVision Technologies, Inc.
- Xuelian Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Calibration circuit for ramp settling assist circuit in local ramp...
- Patent number 11,968,468
- Issue date Apr 23, 2024
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit and method for image artifact reduction in high-density, hi...
- Patent number 11,871,135
- Issue date Jan 9, 2024
- OmniVision Technologies, Inc.
- Selcuk Sen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Trimming control circuit for current integration ramp DAC settling...
- Patent number 11,770,634
- Issue date Sep 26, 2023
- OmniVision Technologies, Inc.
- Zhenfu Tian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage domain global shutter readout circuit
- Patent number 11,729,529
- Issue date Aug 15, 2023
- OmniVision Technologies, Inc.
- Zhe Gao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ramp settling assist circuit in local ramp buffer circuit
- Patent number 11,722,801
- Issue date Aug 8, 2023
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Nine cell pixel image sensor with phase detection autofocus
- Patent number 11,683,602
- Issue date Jun 20, 2023
- OmniVision Technologies, Inc.
- Sangjoo Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit and method for image artifact reduction in high-density, hi...
- Patent number 11,683,604
- Issue date Jun 20, 2023
- OmniVision Technologies, Inc.
- Liang Zuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual row select pixel for fast pixel binning
- Patent number 11,658,202
- Issue date May 23, 2023
- OmniVision Technologies, Inc.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Layout design of dual row select structure
- Patent number 11,652,131
- Issue date May 16, 2023
- OmniVision Technologies, Inc.
- Sang Joo Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Comparator first stage clamp
- Patent number 11,381,771
- Issue date Jul 5, 2022
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Column amplifier capacitor switch circuit to adjust analog gain
- Patent number 11,290,674
- Issue date Mar 29, 2022
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image sensor with capacitor randomization for column gain
- Patent number 11,240,458
- Issue date Feb 1, 2022
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Column amplifier reset circuit
- Patent number 11,240,456
- Issue date Feb 1, 2022
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Comparator stage with DC cut device for single slope analog to digi...
- Patent number 11,206,039
- Issue date Dec 21, 2021
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Image sensor far end driver circuitry providing fast settling row c...
- Patent number 11,095,836
- Issue date Aug 17, 2021
- OmniVision Technologies, Inc.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Versatile image sensor circuit
- Patent number 10,951,840
- Issue date Mar 16, 2021
- OmniVision Technologies, Inc.
- Rui Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Column amplifier reset circuit with comparator
- Patent number 10,924,701
- Issue date Feb 16, 2021
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
CMOS image sensor clamping method with divided bit lines
- Patent number 10,827,143
- Issue date Nov 3, 2020
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrating ramp circuit with reduced ramp settling time
- Patent number 10,826,470
- Issue date Nov 3, 2020
- OmniVision Technologies, Inc.
- Liang Zuo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bias circuit for use with divided bit lines
- Patent number 10,819,936
- Issue date Oct 27, 2020
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
CMOS image sensor with divided bit lines
- Patent number 10,750,111
- Issue date Aug 18, 2020
- OmniVision Technologies, Inc.
- Hiroaki Ebihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Two stage gray code counter with a redundant bit
- Patent number 10,659,055
- Issue date May 19, 2020
- OmniVision Technologies, Inc.
- Satoshi Sakurai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gray code counting signal distribution system
- Patent number 10,659,056
- Issue date May 19, 2020
- OmniVision Technologies, Inc.
- Satoshi Sakurai
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
DEEP N-WELL DRIVEN RAMP BUFFER
- Publication number 20250240550
- Publication date Jul 24, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Shan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADAPTIVE DATA SELECTION FOR DCG / DAG
- Publication number 20250211878
- Publication date Jun 26, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Nobuhiro Yanagisawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HYBRID IMAGING SENSOR WITH SHARED READOUT
- Publication number 20250193555
- Publication date Jun 12, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Andreas Suess
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HYBRID IMAGING SENSOR WITH SHARED READOUT
- Publication number 20250193538
- Publication date Jun 12, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Andreas Suess
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTRIBUTED RAMP LINEARITY COMPENSATION CIRCUIT
- Publication number 20250048002
- Publication date Feb 6, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COLUMN RAMP BUFFER DESIGN TO IMPROVE ADC RANGE IN CIS
- Publication number 20250047995
- Publication date Feb 6, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Liang Zuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADAPTIVE CORRELATED MULTIPLE SAMPLING
- Publication number 20240397226
- Publication date Nov 28, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Jiayu Guo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ADAPTIVE CORRELATED MULTIPLE SAMPLING
- Publication number 20240397236
- Publication date Nov 28, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS TO EFFICIENTLY READ SUPER-BINNED ARRAY OUT FRO...
- Publication number 20240314460
- Publication date Sep 19, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Amit Mittra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DYNAMIC CURRENT CONTROL FOR COLUMN ADC
- Publication number 20240291499
- Publication date Aug 29, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DUAL GAIN COLUMN STRUCTURE FOR COLUMN POWER AREA EFFICIENCY
- Publication number 20240284074
- Publication date Aug 22, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DUAL GAIN COLUMN STRUCTURE FOR COLUMN POWER AREA EFFICIENCY
- Publication number 20240283460
- Publication date Aug 22, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DEEP N- WELL DRIVEN RAMP BUFFER
- Publication number 20240276124
- Publication date Aug 15, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Shan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRIMMING CONTROL CIRCUIT FOR CURRENT INTEGRATION RAMP DAC SETTLING...
- Publication number 20230336889
- Publication date Oct 19, 2023
- OMNIVISION TECHNOLOGIES, INC.
- Zhenfu Tian
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CALIBRATION CIRCUIT FOR RAMP SETTLING ASSIST CIRCUIT IN LOCAL RAMP...
- Publication number 20230336891
- Publication date Oct 19, 2023
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BITLINE SETTLING AND POWER SUPPLY REJECTION RATIO IN A NINE CELL PI...
- Publication number 20230328405
- Publication date Oct 12, 2023
- OMNIVISION TECHNOLOGIES, INC.
- Xuelian Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Circuit and Method for Image Artifact Reduction in High-Density, Hi...
- Publication number 20230247330
- Publication date Aug 3, 2023
- OMNIVISION TECHNOLOGIES, INC.
- Selcuk SEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPARATOR FIRST STAGE CLAMP
- Publication number 20220201231
- Publication date Jun 23, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
IMAGE SENSOR WITH CAPACITOR RANDOMIZATION FOR COLUMN GAIN
- Publication number 20210392286
- Publication date Dec 16, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LAYOUT DESIGN OF DUAL ROW SELECT STRUCTURE
- Publication number 20210358994
- Publication date Nov 18, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Sang Joo Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DUAL ROW SELECT PIXEL FOR FAST PIXEL BINNING
- Publication number 20210360175
- Publication date Nov 18, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE SENSOR FAR END DRIVER CIRCUITRY PROVIDING FAST SETTLING ROW C...
- Publication number 20210152756
- Publication date May 20, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VERSATILE IMAGE SENSOR CIRCUIT
- Publication number 20210067714
- Publication date Mar 4, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COLUMN AMPLIFIER RESET CIRCUIT WITH COMPARATOR
- Publication number 20210021774
- Publication date Jan 21, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COLUMN AMPLIFIER RESET CIRCUIT
- Publication number 20200396403
- Publication date Dec 17, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTEGRATING RAMP CIRCUIT WITH REDUCED RAMP SETTLING TIME
- Publication number 20200295739
- Publication date Sep 17, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Liang Zuo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BIAS CIRCUIT FOR USE WITH DIVIDED BIT LINES
- Publication number 20200260031
- Publication date Aug 13, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TWO STAGE GRAY CODE COUNTER WITH A REDUNDANT BIT
- Publication number 20200153440
- Publication date May 14, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Satoshi Sakurai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SMALL PIXELS HAVING DUAL CONVERSION GAIN PROVIDING HIGH DYNAMIC RANGE
- Publication number 20190386057
- Publication date Dec 19, 2019
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DUAL CONVERSION GAIN HIGH DYNAMIC RANGE READOUT FOR COMPARATOR OF D...
- Publication number 20190371828
- Publication date Dec 5, 2019
- OMNIVISION TECHNOLOGIES, INC.
- Hiroaki Ebihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hiroaki Ebihara

Person

Patents Grantslast 30 patents

Deep N-well driven ramp buffer

Adaptive correlated multiple sampling

Dual gain column structure for column power area efficiency

Dynamic current control for column ADC

Adaptive correlated multiple sampling

Dual gain column structure for column power area efficiency

Bitline settling and power supply rejection ratio in a nine cell pi...

Calibration circuit for ramp settling assist circuit in local ramp...

Circuit and method for image artifact reduction in high-density, hi...

Trimming control circuit for current integration ramp DAC settling...

Voltage domain global shutter readout circuit

Ramp settling assist circuit in local ramp buffer circuit

Nine cell pixel image sensor with phase detection autofocus

Circuit and method for image artifact reduction in high-density, hi...

Dual row select pixel for fast pixel binning

Layout design of dual row select structure

Comparator first stage clamp

Column amplifier capacitor switch circuit to adjust analog gain

Image sensor with capacitor randomization for column gain

Column amplifier reset circuit

Comparator stage with DC cut device for single slope analog to digi...

Image sensor far end driver circuitry providing fast settling row c...

Versatile image sensor circuit

Column amplifier reset circuit with comparator

CMOS image sensor clamping method with divided bit lines

Integrating ramp circuit with reduced ramp settling time

Bias circuit for use with divided bit lines

CMOS image sensor with divided bit lines

Two stage gray code counter with a redundant bit

Gray code counting signal distribution system

Patents Applicationslast 30 patents

DEEP N-WELL DRIVEN RAMP BUFFER

ADAPTIVE DATA SELECTION FOR DCG / DAG

HYBRID IMAGING SENSOR WITH SHARED READOUT

HYBRID IMAGING SENSOR WITH SHARED READOUT

DISTRIBUTED RAMP LINEARITY COMPENSATION CIRCUIT

COLUMN RAMP BUFFER DESIGN TO IMPROVE ADC RANGE IN CIS

ADAPTIVE CORRELATED MULTIPLE SAMPLING

ADAPTIVE CORRELATED MULTIPLE SAMPLING

METHOD AND APPARATUS TO EFFICIENTLY READ SUPER-BINNED ARRAY OUT FRO...

DYNAMIC CURRENT CONTROL FOR COLUMN ADC

DUAL GAIN COLUMN STRUCTURE FOR COLUMN POWER AREA EFFICIENCY

DUAL GAIN COLUMN STRUCTURE FOR COLUMN POWER AREA EFFICIENCY

DEEP N- WELL DRIVEN RAMP BUFFER

TRIMMING CONTROL CIRCUIT FOR CURRENT INTEGRATION RAMP DAC SETTLING...

CALIBRATION CIRCUIT FOR RAMP SETTLING ASSIST CIRCUIT IN LOCAL RAMP...

BITLINE SETTLING AND POWER SUPPLY REJECTION RATIO IN A NINE CELL PI...

Circuit and Method for Image Artifact Reduction in High-Density, Hi...

COMPARATOR FIRST STAGE CLAMP

IMAGE SENSOR WITH CAPACITOR RANDOMIZATION FOR COLUMN GAIN

LAYOUT DESIGN OF DUAL ROW SELECT STRUCTURE

DUAL ROW SELECT PIXEL FOR FAST PIXEL BINNING

IMAGE SENSOR FAR END DRIVER CIRCUITRY PROVIDING FAST SETTLING ROW C...

VERSATILE IMAGE SENSOR CIRCUIT

COLUMN AMPLIFIER RESET CIRCUIT WITH COMPARATOR

COLUMN AMPLIFIER RESET CIRCUIT

INTEGRATING RAMP CIRCUIT WITH REDUCED RAMP SETTLING TIME

BIAS CIRCUIT FOR USE WITH DIVIDED BIT LINES

TWO STAGE GRAY CODE COUNTER WITH A REDUNDANT BIT

SMALL PIXELS HAVING DUAL CONVERSION GAIN PROVIDING HIGH DYNAMIC RANGE

DUAL CONVERSION GAIN HIGH DYNAMIC RANGE READOUT FOR COMPARATOR OF D...