Keiji Mabuchi

Person

Los Altos, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Image sensor operating in a photovoltaic mode
- Patent number 12,363,455
- Issue date Jul 15, 2025
- OmniVision Technologies, Inc.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photo-voltaic phototransistor in forward bias
- Patent number 12,289,553
- Issue date Apr 29, 2025
- OmniVision Technologies, Inc.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image sensor including peak hold circuit
- Patent number 12,281,937
- Issue date Apr 22, 2025
- OmniVision Technologies, Inc.
- Yoshiyuki Matsunaga
- G01 - MEASURING TESTING
Information Patent Grant
Method of operation for visible-infrared image capture with imaging...
- Patent number 12,279,060
- Issue date Apr 15, 2025
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low power single photon avalanche diode photon counter with peak cu...
- Patent number 12,247,873
- Issue date Mar 11, 2025
- OmniVision Technologies, Inc.
- Rui Wang
- G01 - MEASURING TESTING
Information Patent Grant
Pixel circuit for high dynamic range image sensor
- Patent number 12,185,000
- Issue date Dec 31, 2024
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging system with selective readout for visible-infrared image ca...
- Patent number 12,142,625
- Issue date Nov 12, 2024
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pixel layout with photodiode region partially surrounding circuitry
- Patent number 12,062,670
- Issue date Aug 13, 2024
- OmniVision Technologies, Inc.
- Hui Zang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal grid structure integrated with deep trench isolation structure
- Patent number 11,557,620
- Issue date Jan 17, 2023
- OmniVision Technologies, Inc.
- Seong Yeol Mun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High dynamic range split pixel CMOS image sensor with low color cro...
- Patent number 11,527,569
- Issue date Dec 13, 2022
- OmniVision Technologies, Inc.
- Duli Mao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flexible exposure control for image sensors with phase detection au...
- Patent number 11,356,626
- Issue date Jun 7, 2022
- OmniVision Technologies, Inc.
- Rui Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dark current calibration method and associated pixel circuitry
- Patent number 11,350,049
- Issue date May 31, 2022
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-gate lateral overflow integration capacitor sensor
- Patent number 11,348,956
- Issue date May 31, 2022
- OmniVision Technologies, Inc.
- Woon Il Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wide dynamic range image sensor with global shutter
- Patent number 11,272,126
- Issue date Mar 8, 2022
- OmniVision Technologies, Inc.
- Sohei Manabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High dynamic range CMOS image sensor design
- Patent number 11,212,457
- Issue date Dec 28, 2021
- OmniVision Technologies, Inc.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sensor comprising gate modulation with inductor to form a resonant...
- Patent number 11,211,421
- Issue date Dec 28, 2021
- OmniVision Technologies, Inc.
- Xianmin Yi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dark current reduction for image sensor having electronic global sh...
- Patent number 11,196,950
- Issue date Dec 7, 2021
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image sensor with electronic global shutter and differential sensin...
- Patent number 11,095,842
- Issue date Aug 17, 2021
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wide dynamic range image sensor with global shutter
- Patent number 10,986,290
- Issue date Apr 20, 2021
- OmniVision Technologies, Inc.
- Sohei Manabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image sensor with boosted photodiodes for time of flight measurements
- Patent number 10,972,687
- Issue date Apr 6, 2021
- OmniVision Technologies, Inc.
- Sohei Manabe
- G01 - MEASURING TESTING
Information Patent Grant
Vertical transfer gate storage for a global shutter in an image sensor
- Patent number 10,741,593
- Issue date Aug 11, 2020
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image sensor with boosted photodiodes for time of flight measurements
- Patent number 10,684,373
- Issue date Jun 16, 2020
- OmniVision Technologies, Inc.
- Sohei Manabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Linear-logarithmic image sensor
- Patent number 10,687,003
- Issue date Jun 16, 2020
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Source follower contact
- Patent number 10,644,057
- Issue date May 5, 2020
- OmniVision Technologies, Inc.
- Xin Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for active depth imager with background subtract
- Patent number 10,582,178
- Issue date Mar 3, 2020
- OmniVision Technologies, Inc.
- Zheng Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Photogate for front-side-illuminated infrared image sensor and meth...
- Patent number 10,504,956
- Issue date Dec 10, 2019
- OmniVision Technologies, Inc.
- Takayuki Goto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image sensor having mirror-symmetrical pixel columns
- Patent number 10,483,303
- Issue date Nov 19, 2019
- OmniVision Technologies, Inc.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pixel array with embedded split pixels for high dynamic range imaging
- Patent number 10,334,191
- Issue date Jun 25, 2019
- OmniVision Technologies, Inc.
- Dajiang Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Floating diffusion of image sensor with low leakage current
- Patent number 10,283,558
- Issue date May 7, 2019
- OmniVision Technologies, Inc.
- Sohei Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Storage gate protection
- Patent number 10,269,846
- Issue date Apr 23, 2019
- OmniVision Technologies, Inc.
- Sohei Manabe
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Image Sensor Operating In A Photovoltaic Mode
- Publication number 20250211871
- Publication date Jun 26, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image Sensor Having Pixels In LInear Mode and Photovoltaic Mode
- Publication number 20250211870
- Publication date Jun 26, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image Sensor to Supress Flicker
- Publication number 20250159372
- Publication date May 15, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image Sensor and Optical Signal Generation Method
- Publication number 20250159373
- Publication date May 15, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PhotoVoltaic Image Sensor To Supress Black Solar
- Publication number 20250106533
- Publication date Mar 27, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PhotoVoltaic Image Sensor
- Publication number 20250097602
- Publication date Mar 20, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pixel Circuit and Image Sensor
- Publication number 20250081640
- Publication date Mar 6, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Yoshiyuki Matsunaga
Information Patent Application
Photo-Voltaic Pixel Circuit In Forward Bias
- Publication number 20250080876
- Publication date Mar 6, 2025
- OMNIVISION TECHNOLOGIES, INC.
- Yoshiyuki Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGING SYSTEM WITH SELECTIVE READOUT FOR VISIBLE-INFRARED IMAGE CA...
- Publication number 20240113146
- Publication date Apr 4, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Keiji Mabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF OPERATION FOR VISIBILE-INFRARED IMAGE CAPTURE WITH IMAGIN...
- Publication number 20240114258
- Publication date Apr 4, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PIXEL CIRCUIT FOR HIGH DYNAMIC RANGE IMAGE SENSOR
- Publication number 20240015414
- Publication date Jan 11, 2024
- OMNIVISION TECHNOLOGIES, INC.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PIXEL LAYOUT WITH PHOTODIODE REGION PARTIALLY SURROUNDING CIRCUITRY
- Publication number 20220352220
- Publication date Nov 3, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Hui Zang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METAL GRID STRUCTURE INTEGRATED WITH DEEP TRENCH ISOLATION STRUCTURE
- Publication number 20220320163
- Publication date Oct 6, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Seong Yeol Mun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DARK CURRENT CALIBRATION METHOD AND ASSOCIATED PIXEL CIRCUITRY
- Publication number 20220141406
- Publication date May 5, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Keiji Mabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH DYNAMIC RANGE CMOS IMAGE SENSOR DESIGN
- Publication number 20210377435
- Publication date Dec 2, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Tiejun Dai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH DYNAMIC RANGE SPLIT PIXEL CMOS IMAGE SENSOR WITH LOW COLOR CRO...
- Publication number 20210358993
- Publication date Nov 18, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Duli Mao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLEXIBLE EXPOSURE CONTROL FOR IMAGE SENSORS WITH PHASE DETECTION AU...
- Publication number 20210337144
- Publication date Oct 28, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Rui Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIDE DYNAMIC RANGE IMAGE SENSOR WITH GLOBAL SHUTTER
- Publication number 20210203865
- Publication date Jul 1, 2021
- Omnivision Technologies Inc.
- Sohei Manabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-GATE LATERAL OVERFLOW INTEGRATION CAPACITOR SENSOR
- Publication number 20210183926
- Publication date Jun 17, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Woon Il Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE SENSOR WITH ELECTRONIC GLOBAL SHUTTER AND DIFFERENTIAL SENSIN...
- Publication number 20210029322
- Publication date Jan 28, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Keiji Mabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DARK CURRENT REDUCTION FOR IMAGE SENSOR HAVING ELECTRONIC GLOBAL SH...
- Publication number 20210014440
- Publication date Jan 14, 2021
- OMNIVISION TECHNOLOGIES, INC.
- Keiji Mabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE SENSOR WITH BOOSTED PHOTODIODES FOR TIME OF FLIGHT MEASUREMENTS
- Publication number 20200264309
- Publication date Aug 20, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Sohei Manabe
- G01 - MEASURING TESTING
Information Patent Application
GATE MODULATION WITH INDUCTOR
- Publication number 20200235158
- Publication date Jul 23, 2020
- OMNIVISION TECHNOLOGIES, INC.
- Xianmin Yi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WIDE DYNAMIC RANGE IMAGE SENSOR WITH GLOBAL SHUTTER
- Publication number 20190356872
- Publication date Nov 21, 2019
- OMNIVISION TECHNOLOGIES, INC.
- Sohei Manabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE SENSOR WITH BOOSTED PHOTODIODES FOR TIME OF FLIGHT MEASUREMENTS
- Publication number 20190339392
- Publication date Nov 7, 2019
- OMNIVISION TECHNOLOGIES, INC.
- Sohei Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOURCE FOLLOWER CONTACT
- Publication number 20190109169
- Publication date Apr 11, 2019
- OMNIVISION TECHNOLOGIES, INC.
- Xin Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOW NOISE CMOS IMAGE SENSOR BY STACK ARCHITECTURE
- Publication number 20180302579
- Publication date Oct 18, 2018
- OMNIVISION TECHNOLOGIES, INC.
- Sohei Manabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Storage Gate Protection
- Publication number 20180151610
- Publication date May 31, 2018
- OMNIVISION TECHNOLOGIES, INC.
- Sohei Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Systems And Methods For Active Depth Imager With Background Subtract
- Publication number 20180124372
- Publication date May 3, 2018
- OMNIVISION TECHNOLOGIES, INC.
- Zheng Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STACKED IMAGE SENSOR WITH SHIELD BUMPS BETWEEN INTERCONNECTS
- Publication number 20180097030
- Publication date Apr 5, 2018
- OMNIVISION TECHNOLOGIES, INC.
- Sohei Manabe
- H01 - BASIC ELECTRIC ELEMENTS

Keiji Mabuchi

Person

Patents Grantslast 30 patents

Image sensor operating in a photovoltaic mode

Photo-voltaic phototransistor in forward bias

Image sensor including peak hold circuit

Method of operation for visible-infrared image capture with imaging...

Low power single photon avalanche diode photon counter with peak cu...

Pixel circuit for high dynamic range image sensor

Imaging system with selective readout for visible-infrared image ca...

Pixel layout with photodiode region partially surrounding circuitry

Metal grid structure integrated with deep trench isolation structure

High dynamic range split pixel CMOS image sensor with low color cro...

Flexible exposure control for image sensors with phase detection au...

Dark current calibration method and associated pixel circuitry

Multi-gate lateral overflow integration capacitor sensor

Wide dynamic range image sensor with global shutter

High dynamic range CMOS image sensor design

Sensor comprising gate modulation with inductor to form a resonant...

Dark current reduction for image sensor having electronic global sh...

Image sensor with electronic global shutter and differential sensin...

Wide dynamic range image sensor with global shutter

Image sensor with boosted photodiodes for time of flight measurements

Vertical transfer gate storage for a global shutter in an image sensor

Image sensor with boosted photodiodes for time of flight measurements

Linear-logarithmic image sensor

Source follower contact

Systems and methods for active depth imager with background subtract

Photogate for front-side-illuminated infrared image sensor and meth...

Image sensor having mirror-symmetrical pixel columns

Pixel array with embedded split pixels for high dynamic range imaging

Floating diffusion of image sensor with low leakage current

Storage gate protection

Patents Applicationslast 30 patents

Image Sensor Operating In A Photovoltaic Mode

Image Sensor Having Pixels In LInear Mode and Photovoltaic Mode

Image Sensor to Supress Flicker

Image Sensor and Optical Signal Generation Method

PhotoVoltaic Image Sensor To Supress Black Solar

PhotoVoltaic Image Sensor

Pixel Circuit and Image Sensor

Photo-Voltaic Pixel Circuit In Forward Bias

IMAGING SYSTEM WITH SELECTIVE READOUT FOR VISIBLE-INFRARED IMAGE CA...

METHOD OF OPERATION FOR VISIBILE-INFRARED IMAGE CAPTURE WITH IMAGIN...

PIXEL CIRCUIT FOR HIGH DYNAMIC RANGE IMAGE SENSOR

PIXEL LAYOUT WITH PHOTODIODE REGION PARTIALLY SURROUNDING CIRCUITRY

METAL GRID STRUCTURE INTEGRATED WITH DEEP TRENCH ISOLATION STRUCTURE

DARK CURRENT CALIBRATION METHOD AND ASSOCIATED PIXEL CIRCUITRY

HIGH DYNAMIC RANGE CMOS IMAGE SENSOR DESIGN

HIGH DYNAMIC RANGE SPLIT PIXEL CMOS IMAGE SENSOR WITH LOW COLOR CRO...

FLEXIBLE EXPOSURE CONTROL FOR IMAGE SENSORS WITH PHASE DETECTION AU...

WIDE DYNAMIC RANGE IMAGE SENSOR WITH GLOBAL SHUTTER

MULTI-GATE LATERAL OVERFLOW INTEGRATION CAPACITOR SENSOR

IMAGE SENSOR WITH ELECTRONIC GLOBAL SHUTTER AND DIFFERENTIAL SENSIN...

DARK CURRENT REDUCTION FOR IMAGE SENSOR HAVING ELECTRONIC GLOBAL SH...

IMAGE SENSOR WITH BOOSTED PHOTODIODES FOR TIME OF FLIGHT MEASUREMENTS

GATE MODULATION WITH INDUCTOR

WIDE DYNAMIC RANGE IMAGE SENSOR WITH GLOBAL SHUTTER

IMAGE SENSOR WITH BOOSTED PHOTODIODES FOR TIME OF FLIGHT MEASUREMENTS

SOURCE FOLLOWER CONTACT

LOW NOISE CMOS IMAGE SENSOR BY STACK ARCHITECTURE

Storage Gate Protection

Systems And Methods For Active Depth Imager With Background Subtract

STACKED IMAGE SENSOR WITH SHIELD BUMPS BETWEEN INTERCONNECTS