Ou ZHANG

Person

Jiangsu, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Optical path structure and laser light projector using optical path...
- Patent number 12,068,570
- Issue date Aug 20, 2024
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd.
- Ou Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-speed laser distance measuring device
- Patent number 11,681,018
- Issue date Jun 20, 2023
- HANGZHOU OLE-SYSTEMS CO., LTD.
- Ou Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Laser distance measuring device and method of use thereof
- Patent number 11,662,466
- Issue date May 30, 2023
- HANGZHOU OLE-SYSTEMS CO., LTD.
- Ou Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Laser measuring system
- Patent number 11,486,790
- Issue date Nov 1, 2022
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD.
- Ou Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Laser point projecting device
- Patent number 11,333,958
- Issue date May 17, 2022
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD.
- Ou Zhang
- F21 - LIGHTING
Information Patent Grant
Adjusting mechanism and laser collimator having the same
- Patent number 9,952,402
- Issue date Apr 24, 2018
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd.
- Ou Zhang
- G02 - OPTICS
Information Patent Grant
Window module, a window and laser line projector with the window
- Patent number 9,791,271
- Issue date Oct 17, 2017
- Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd
- Ou Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Cross line laser
- Patent number 9,316,498
- Issue date Apr 19, 2016
- Changzhou Huada Kejie Opto-Electro Instrument Co., LTD.
- Ou Zhang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CONSTRUCTION SURFACE FLATNESS DETECTOR
- Publication number 20240295396
- Publication date Sep 5, 2024
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT
- Ou ZHANG
- G01 - MEASURING TESTING
Information Patent Application
A LASER DIODE CONTROL METHOD AND CONTROL SYSTEM, AND A LASER DEVICE
- Publication number 20240235153
- Publication date Jul 11, 2024
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
- Ou ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER SURVEYING SYSTEM FOR SETTING OUT
- Publication number 20240210540
- Publication date Jun 27, 2024
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT
- Ou ZHANG
- G01 - MEASURING TESTING
Information Patent Application
A LASER RECEIVING DEVICE
- Publication number 20240142579
- Publication date May 2, 2024
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
- Ou ZHANG
- G01 - MEASURING TESTING
Information Patent Application
A LASER DIODE CONTROL METHOD AND CONTROL SYSTEM, AND A LASER DEVICE
- Publication number 20240136789
- Publication date Apr 25, 2024
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
- Ou ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER RADAR RECEIVING SYSTEM
- Publication number 20230152427
- Publication date May 18, 2023
- HANGZHOU OLE-SYSTEMS CO., LTD
- Ou Zhang
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL SYSTEM OF LASER MARKING INSTRUMENT AND LASER MARKING INSTRU...
- Publication number 20220146844
- Publication date May 12, 2022
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD.
- Ou Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL PATH STRUCTURE AND LASER LIGHT PROJECTOR USING OPTICAL PATH...
- Publication number 20220140562
- Publication date May 5, 2022
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD.
- Ou Zhang
- G02 - OPTICS
Information Patent Application
STAIN DETECTION DEVICE AND LASER RADAR
- Publication number 20220137195
- Publication date May 5, 2022
- HANGZHOU OLE-SYSTEMS CO., LTD
- Ou Zhang
- G01 - MEASURING TESTING
Information Patent Application
MEASURING TOOL
- Publication number 20210190948
- Publication date Jun 24, 2021
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD.
- Ou ZHANG
- G01 - MEASURING TESTING
Information Patent Application
DETECTION SYSTEM AND DETECTION METHOD FOR DETECTING VEHICLE EXTERNA...
- Publication number 20210086764
- Publication date Mar 25, 2021
- Ou ZHANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
LASER MEASURING SYSTEM
- Publication number 20210080346
- Publication date Mar 18, 2021
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
- Ou ZHANG
- G02 - OPTICS
Information Patent Application
HIGH-SPEED LASER DISTANCE MEASURING DEVICE
- Publication number 20200233063
- Publication date Jul 23, 2020
- HANGZHOU OLE-SYSTEMS CO., LTD.
- Ou ZHANG
- G01 - MEASURING TESTING
Information Patent Application
LASER POINT PROJECTING DEVICE
- Publication number 20200192207
- Publication date Jun 18, 2020
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
- Ou ZHANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LASER DISTANCE MEASURING DEVICE AND METHOD OF USE THEREOF
- Publication number 20200174128
- Publication date Jun 4, 2020
- HANGZHOU OLE-SYSTEMS CO., LTD.
- Ou ZHANG
- G01 - MEASURING TESTING
Information Patent Application
LASER LEVEL RULER
- Publication number 20190162536
- Publication date May 30, 2019
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
- Ou ZHANG
- G01 - MEASURING TESTING
Information Patent Application
A LASER CONTROL CIRCUIT, CONTROL METHOD AND LASER INK LINE DEVICE W...
- Publication number 20170149208
- Publication date May 25, 2017
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
- Ou ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Adjusting Mechanism and Laser Collimator Having the Same
- Publication number 20160103295
- Publication date Apr 14, 2016
- Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
- Ou Zhang
- G02 - OPTICS
Information Patent Application
LASER MODULE CONTROL CIRCUIT
- Publication number 20150340839
- Publication date Nov 26, 2015
- CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD.
- Ou Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Window Module, A Window and Laser Line Projector With the Window
- Publication number 20150268044
- Publication date Sep 24, 2015
- Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd
- Ou Zhang
- G01 - MEASURING TESTING
Information Patent Application
Cross Line Laser
- Publication number 20150052763
- Publication date Feb 26, 2015
- Ou Zhang
- G01 - MEASURING TESTING

Person

Patents Grantslast 30 patents

Optical path structure and laser light projector using optical path...

High-speed laser distance measuring device

Laser distance measuring device and method of use thereof

Laser measuring system

Laser point projecting device

Adjusting mechanism and laser collimator having the same

Window module, a window and laser line projector with the window

Cross line laser

Patents Applicationslast 30 patents

CONSTRUCTION SURFACE FLATNESS DETECTOR

A LASER DIODE CONTROL METHOD AND CONTROL SYSTEM, AND A LASER DEVICE

LASER SURVEYING SYSTEM FOR SETTING OUT

A LASER RECEIVING DEVICE

A LASER DIODE CONTROL METHOD AND CONTROL SYSTEM, AND A LASER DEVICE

LASER RADAR RECEIVING SYSTEM

OPTICAL SYSTEM OF LASER MARKING INSTRUMENT AND LASER MARKING INSTRU...

OPTICAL PATH STRUCTURE AND LASER LIGHT PROJECTOR USING OPTICAL PATH...

STAIN DETECTION DEVICE AND LASER RADAR

MEASURING TOOL

DETECTION SYSTEM AND DETECTION METHOD FOR DETECTING VEHICLE EXTERNA...

LASER MEASURING SYSTEM

HIGH-SPEED LASER DISTANCE MEASURING DEVICE

LASER POINT PROJECTING DEVICE

LASER DISTANCE MEASURING DEVICE AND METHOD OF USE THEREOF

LASER LEVEL RULER

A LASER CONTROL CIRCUIT, CONTROL METHOD AND LASER INK LINE DEVICE W...

Adjusting Mechanism and Laser Collimator Having the Same

LASER MODULE CONTROL CIRCUIT

Window Module, A Window and Laser Line Projector With the Window

Cross Line Laser