Neutral density filters

Industry

CPC
G02B5/205

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Parent Industries

GPHYSICS G02Optics G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS G02B5/00Optical elements other than lenses

Current Industry

G02B5/205Neutral density filters

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for altering quantum of light passing through a lens of a...
- Patent number 12,135,463
- Issue date Nov 5, 2024
- FREEWELL INDUSTRY COMPANY LIMITED
- Hitesh Gopal Gwalani
- G02 - OPTICS
Information Patent Grant
Head-mounted display
- Patent number 12,078,805
- Issue date Sep 3, 2024
- JVCKENWOOD CORPORATION
- Fumihiko Ito
- G02 - OPTICS
Information Patent Grant
Imaging device and camera system
- Patent number 12,081,878
- Issue date Sep 3, 2024
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tsutomu Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source and system for and method of fluorescence diagnosis
- Patent number 12,042,130
- Issue date Jul 23, 2024
- Karl Storz SE & Co. KG
- Werner Goebel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light emission reducing compounds for electronic devices
- Patent number 11,947,209
- Issue date Apr 2, 2024
- Eyesafe Inc.
- Justin Barrett
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Diffraction-limited ultrawide angle lens for extended reality metro...
- Patent number 11,892,609
- Issue date Feb 6, 2024
- MLOptic Corp.
- Pengfei Wu
- G02 - OPTICS
Information Patent Grant
Apparatus for altering quantum of light passing through a lens of a...
- Patent number 11,846,824
- Issue date Dec 19, 2023
- FREEWELL INDUSTRY COMPANY LIMITED
- Hitesh Gopal Gwalani
- G02 - OPTICS
Information Patent Grant
Apparatus and method for wavefront reconstruction based on rotation...
- Patent number 11,846,558
- Issue date Dec 19, 2023
- Zhejiang University
- Jian Bai
- G01 - MEASURING TESTING
Information Patent Grant
Optical calibration tool
- Patent number 11,815,445
- Issue date Nov 14, 2023
- Delta Electronics, Inc.
- Bo Ma
- G02 - OPTICS
Information Patent Grant
Loupe-based intraoperative fluorescence imaging device for the guid...
- Patent number 11,813,118
- Issue date Nov 14, 2023
- University of Kentucky Research Foundation
- Guoqiang Yu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Haze matching in a masked display assembly
- Patent number 11,719,868
- Issue date Aug 8, 2023
- Gentex Corporation
- David J. Cammenga
- G02 - OPTICS
Information Patent Grant
Non-linear optical pumping detection apparatus and non-linear optic...
- Patent number 11,719,629
- Issue date Aug 8, 2023
- Jiangsu University
- Zhiqiang Zhou
- G02 - OPTICS
Information Patent Grant
Adaptive filter system for self-driving vehicle
- Patent number 11,716,542
- Issue date Aug 1, 2023
- PONY AI INC.
- Kai Chen
- G02 - OPTICS
Information Patent Grant
High reflectance heads-up display with display element concealment
- Patent number 11,709,381
- Issue date Jul 25, 2023
- Gentex Corporation
- David J. Cammenga
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Light emission reducing compounds for electronic devices
- Patent number 11,686,968
- Issue date Jun 27, 2023
- Eyesafe Inc.
- Justin Barrett
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Imaging device and camera system
- Patent number 11,665,436
- Issue date May 30, 2023
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tsutomu Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for thermocycling biological samples, monitoring instrument...
- Patent number 11,650,404
- Issue date May 16, 2023
- Roche Molecular Systems, Inc.
- Andreas Meyer
- G02 - OPTICS
Information Patent Grant
Filter unit, filter selection method, and imaging device
- Patent number 11,592,661
- Issue date Feb 28, 2023
- Sony Corporation
- Takuma Tanae
- G02 - OPTICS
Information Patent Grant
Preparing a structured optical beam for human observation
- Patent number 11,564,562
- Issue date Jan 31, 2023
- Quantum Valley Investment Fund LP
- Dusan Sarenac
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wide angle variable neutral density filter
- Patent number 11,543,669
- Issue date Jan 3, 2023
- Meta Platforms Technologies, LLC
- Gary D. Sharp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Head up display systems including hologram replicator
- Patent number 11,536,960
- Issue date Dec 27, 2022
- GM Global Technology Operations LLC
- Kai-Han Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical element, optical system, and optical apparatus
- Patent number 11,513,440
- Issue date Nov 29, 2022
- Canon Kabushiki Kaisha
- Kazue Uchida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for imaging circadiometer
- Patent number 11,503,195
- Issue date Nov 15, 2022
- Chad Greene
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Imaging sensor calibration
- Patent number 11,480,470
- Issue date Oct 25, 2022
- Kenneth James Hintz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical element, optical system, and imaging apparatus
- Patent number 11,435,507
- Issue date Sep 6, 2022
- Canon Kabushiki Kaisha
- Tomohiko Ishibashi
- G02 - OPTICS
Information Patent Grant
Methods of forming particulate films and films and devices made the...
- Patent number 11,402,547
- Issue date Aug 2, 2022
- Purdue Research Foundation
- John William Boley
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Peel-and-adhere photonic crystal
- Patent number 11,372,134
- Issue date Jun 28, 2022
- United States of America as represented by the Secretary of the Air Force
- Joshua Lentz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color filter substrate, manufacturing method thereof, and OLED disp...
- Patent number 11,315,984
- Issue date Apr 26, 2022
- Yuanyuan Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adaptive filter system for self-driving vehicle
- Patent number 11,317,033
- Issue date Apr 26, 2022
- PONY AI INC.
- Kai Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging device and camera system
- Patent number 11,284,016
- Issue date Mar 22, 2022
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tsutomu Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
VEHICLE DISPLAY SYSTEM FOR NIGHTTIME DRIVING
- Publication number 20240412530
- Publication date Dec 12, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Manoj Sharma
- B60 - VEHICLES IN GENERAL
Information Patent Application
IMAGING DEVICE AND CAMERA SYSTEM
- Publication number 20240397209
- Publication date Nov 28, 2024
- Panasonic Intellectual Property Management Co., Ltd.
- Tsutomu KOBAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT EMISSION REDUCING COMPOUNDS FOR ELECTRONIC DEVICES
- Publication number 20240353705
- Publication date Oct 24, 2024
- Eyesafe Inc.
- Justin Barrett
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE AND SYSTEM FOR AND METHOD OF FLUORESCENCE DIAGNOSIS
- Publication number 20240341579
- Publication date Oct 17, 2024
- Karl Storz SE & Co. KG
- Werner GOEBEL
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ANTI-FLICKER MECHANISM FOR A DIGITAL CAMERA
- Publication number 20240305896
- Publication date Sep 12, 2024
- Dell Products L.P.
- Chien-Chih Liao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT EMISSION REDUCING COMPOUNDS FOR ELECTRONIC DEVICES
- Publication number 20240231140
- Publication date Jul 11, 2024
- Eyesafe Inc.
- Justin Barrett
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MULTIFUNCTIONAL LIGHT-SHIELDING BUCKET
- Publication number 20240210790
- Publication date Jun 27, 2024
- FREEWELL INDUSTRY COMPANY LIMITED
- Hitesh Gopal Gwalani
- G02 - OPTICS
Information Patent Application
IMAGING APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM
- Publication number 20240142768
- Publication date May 2, 2024
- Canon Kabushiki Kaisha
- Kazuhiro Monden
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Camera Filter
- Publication number 20240069300
- Publication date Feb 29, 2024
- Polar Pro Filters, Inc.
- John Kiernan-Lewis
- G02 - OPTICS
Information Patent Application
IMAGING APPARATUS, METHOD FOR CONTROLLING THE SAME AND STORAGE MEDIUM
- Publication number 20240048860
- Publication date Feb 8, 2024
- Canon Kabushiki Kaisha
- Seigo Kaneko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL CALIBRATION TOOL
- Publication number 20240035955
- Publication date Feb 1, 2024
- Delta Electronics, Inc.
- Bo MA
- G02 - OPTICS
Information Patent Application
LOUPE-BASED INTRAOPERATIVE FLUORESCENCE IMAGING DEVICE FOR THE GUID...
- Publication number 20240024063
- Publication date Jan 25, 2024
- University of Kentucky Research Foundation
- Guoqiang Yu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
IMAGE CAPTURING APPARATUS AND MOBILE CLEANING ROBOT
- Publication number 20230370729
- Publication date Nov 16, 2023
- eYs3D Microelectronics, Co.
- Shun-Ju Chuang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MEMBER, LENS DEVICE, AND IMAGING APPARATUS
- Publication number 20230319385
- Publication date Oct 5, 2023
- FUJIFILM CORPORATION
- Yuya HIRAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLUORESCENT AMPLIFICATION DEVICE USING SURFACE PLASMON RESONANCE AN...
- Publication number 20230296815
- Publication date Sep 21, 2023
- Gachon University of Industry-Academic Cooperation Foundation
- Heong Kyu JU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGING APPARATUS
- Publication number 20230262306
- Publication date Aug 17, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Hiroyuki KUROKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGING DEVICE AND CAMERA SYSTEM
- Publication number 20230262346
- Publication date Aug 17, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Tsutomu KOBAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGING APPARATUS
- Publication number 20230217092
- Publication date Jul 6, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Hiroyuki KUROKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FILTER UNIT, FILTER SELECTION METHOD, AND IMAGING DEVICE
- Publication number 20230204940
- Publication date Jun 29, 2023
- SONY GROUP CORPORATION
- TAKUMA TANAE
- G02 - OPTICS
Information Patent Application
APPARATUS FOR ALTERING QUANTUM OF LIGHT PASSING THROUGH A LENS OF A...
- Publication number 20230194821
- Publication date Jun 22, 2023
- FREEWELL INDUSTRY COMPANY LIMITED
- Hitesh Gopal Gwalani
- G02 - OPTICS
Information Patent Application
IMAGING DEVICE, CAMERA MODULE, ELECTRONIC DEVICE, AND IMAGING SYSTEM
- Publication number 20230095828
- Publication date Mar 30, 2023
- Sony Semiconductor Solutions Corporation
- KATSUJI KIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Imaging Sensor Calibration Signal Generator
- Publication number 20230013588
- Publication date Jan 19, 2023
- Kenneth James Hintz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NON-LINEAR OPTICAL PUMPING DETECTION APPARATUS AND NON-LINEAR OPTIC...
- Publication number 20220412882
- Publication date Dec 29, 2022
- Jiangsu University
- Zhiqiang ZHOU
- G01 - MEASURING TESTING
Information Patent Application
CMOS IMAGE SENSOR WITH MULTIPLE SENSITIVITIES FOR HIGH DYNAMIC RANG...
- Publication number 20220352224
- Publication date Nov 3, 2022
- OMNIVISION TECHNOLOGIES, INC.
- Chengming Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Mode Equalization Filter
- Publication number 20220317349
- Publication date Oct 6, 2022
- Nippon Telegraph and Telephone Corporation
- Hirotaka Ono
- G02 - OPTICS
Information Patent Application
ADAPTIVE FILTER SYSTEM FOR SELF-DRIVING VEHICLE
- Publication number 20220247913
- Publication date Aug 4, 2022
- Pony AI Inc.
- Kai Chen
- G02 - OPTICS
Information Patent Application
OPTICAL IMAGING TRANSMITTER WITH BRIGHTNESS ENHANCEMENT
- Publication number 20220214454
- Publication date Jul 7, 2022
- Ouster, Inc.
- Angus PACALA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPHTHALMIC APPARATUS, METHOD OF CONTROLLING SAME, AND RECORDING MEDIUM
- Publication number 20220192488
- Publication date Jun 23, 2022
- TOPCON CORPORATION
- Toshihiro MINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR WAVEFRONT RECONSTRUCTION BASED ON ROTATION...
- Publication number 20220187160
- Publication date Jun 16, 2022
- Zhejinag University
- Jian Bai
- G02 - OPTICS
Information Patent Application
IMAGING DEVICE AND CAMERA SYSTEM
- Publication number 20220174223
- Publication date Jun 2, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Tsutomu KOBAYASHI
- H01 - BASIC ELECTRIC ELEMENTS

Neutral density filters

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Apparatus for altering quantum of light passing through a lens of a...

Head-mounted display

Imaging device and camera system

Light source and system for and method of fluorescence diagnosis

Light emission reducing compounds for electronic devices

Diffraction-limited ultrawide angle lens for extended reality metro...

Apparatus for altering quantum of light passing through a lens of a...

Apparatus and method for wavefront reconstruction based on rotation...

Optical calibration tool

Loupe-based intraoperative fluorescence imaging device for the guid...

Haze matching in a masked display assembly

Non-linear optical pumping detection apparatus and non-linear optic...

Adaptive filter system for self-driving vehicle

High reflectance heads-up display with display element concealment

Light emission reducing compounds for electronic devices

Imaging device and camera system

Device for thermocycling biological samples, monitoring instrument...

Filter unit, filter selection method, and imaging device

Preparing a structured optical beam for human observation

Wide angle variable neutral density filter

Head up display systems including hologram replicator

Optical element, optical system, and optical apparatus

Method and apparatus for imaging circadiometer

Imaging sensor calibration

Optical element, optical system, and imaging apparatus

Methods of forming particulate films and films and devices made the...

Peel-and-adhere photonic crystal

Color filter substrate, manufacturing method thereof, and OLED disp...

Adaptive filter system for self-driving vehicle

Imaging device and camera system

Patents Applicationslast 30 patents

VEHICLE DISPLAY SYSTEM FOR NIGHTTIME DRIVING

IMAGING DEVICE AND CAMERA SYSTEM

LIGHT EMISSION REDUCING COMPOUNDS FOR ELECTRONIC DEVICES

LIGHT SOURCE AND SYSTEM FOR AND METHOD OF FLUORESCENCE DIAGNOSIS

ANTI-FLICKER MECHANISM FOR A DIGITAL CAMERA

LIGHT EMISSION REDUCING COMPOUNDS FOR ELECTRONIC DEVICES

MULTIFUNCTIONAL LIGHT-SHIELDING BUCKET

IMAGING APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM

Camera Filter

IMAGING APPARATUS, METHOD FOR CONTROLLING THE SAME AND STORAGE MEDIUM

OPTICAL CALIBRATION TOOL

LOUPE-BASED INTRAOPERATIVE FLUORESCENCE IMAGING DEVICE FOR THE GUID...

IMAGE CAPTURING APPARATUS AND MOBILE CLEANING ROBOT

OPTICAL MEMBER, LENS DEVICE, AND IMAGING APPARATUS

FLUORESCENT AMPLIFICATION DEVICE USING SURFACE PLASMON RESONANCE AN...

IMAGING APPARATUS

IMAGING DEVICE AND CAMERA SYSTEM

IMAGING APPARATUS

FILTER UNIT, FILTER SELECTION METHOD, AND IMAGING DEVICE

APPARATUS FOR ALTERING QUANTUM OF LIGHT PASSING THROUGH A LENS OF A...

IMAGING DEVICE, CAMERA MODULE, ELECTRONIC DEVICE, AND IMAGING SYSTEM

Imaging Sensor Calibration Signal Generator

NON-LINEAR OPTICAL PUMPING DETECTION APPARATUS AND NON-LINEAR OPTIC...

CMOS IMAGE SENSOR WITH MULTIPLE SENSITIVITIES FOR HIGH DYNAMIC RANG...

Mode Equalization Filter

ADAPTIVE FILTER SYSTEM FOR SELF-DRIVING VEHICLE

OPTICAL IMAGING TRANSMITTER WITH BRIGHTNESS ENHANCEMENT

OPHTHALMIC APPARATUS, METHOD OF CONTROLLING SAME, AND RECORDING MEDIUM

APPARATUS AND METHOD FOR WAVEFRONT RECONSTRUCTION BASED ON ROTATION...

IMAGING DEVICE AND CAMERA SYSTEM