Tzu-Chung Chang

Person

Niao-Sung Hsiang, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Speaker mounting assembly
- Patent number 10,728,639
- Issue date Jul 28, 2020
- Tzu-Chung Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Layout pattern for SRAM and manufacturing methods thereof
- Patent number 10,396,064
- Issue date Aug 27, 2019
- United Microelectronics Corp.
- Jun-Jie Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Layout pattern for SRAM and manufacturing methods thereof
- Patent number 10,177,132
- Issue date Jan 8, 2019
- United Microelectronics Corp.
- Jun-Jie Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Engaging structure for installation of a loudspeaker
- Patent number 9,615,156
- Issue date Apr 4, 2017
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Assembly structure for speaker system
- Patent number 8,520,876
- Issue date Aug 27, 2013
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Engaging device for speaker cabinet
- Patent number 7,616,775
- Issue date Nov 10, 2009
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Super tweeter
- Patent number 7,031,488
- Issue date Apr 18, 2006
- Sun Technique Electric Co., Ltd.
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Layout pattern of static random access memory and the forming metho...
- Publication number 20240161818
- Publication date May 16, 2024
- UNITED MICROELECTRONICS CORP.
- Chun-Hsien Huang
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME
- Publication number 20240097038
- Publication date Mar 21, 2024
- United Microelectronics Corp.
- Yi Chuen Eng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR RECOMMENDING PRODUCTS BASED ON FACIAL ANALYSIS
- Publication number 20190244274
- Publication date Aug 8, 2019
- Perfect Corp.
- Tzu-Chieh Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LAYOUT PATTERN FOR SRAM AND MANUFACTURING METHODS THEREOF
- Publication number 20190067268
- Publication date Feb 28, 2019
- UNITED MICROELECTRONICS CORP.
- Jun-Jie Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LAYOUT PATTERN FOR SRAM AND MANUFACTURING METHODS THEREOF
- Publication number 20170243861
- Publication date Aug 24, 2017
- UNITED MICROELECTRONICS CORP.
- Jun-Jie Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Engaging Structure for Installation of a Loudspeaker
- Publication number 20170078778
- Publication date Mar 16, 2017
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
In-Wall/In-Ceiling Speaker with Grid Assembly
- Publication number 20160142800
- Publication date May 19, 2016
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SEMICONDUCTOR CHIP AND METHOD OF ESTIMATING CAPABILITY OF SEMICONDU...
- Publication number 20160099184
- Publication date Apr 7, 2016
- UNITED MICROELECTRONICS CORP.
- Wei-Chi Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Loudspeakers With Double Dampers
- Publication number 20150086065
- Publication date Mar 26, 2015
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sandwich-type Woofer with Two Sound Wave Propagation Directions
- Publication number 20120275627
- Publication date Nov 1, 2012
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sandwich-Type Woofer with Two Sound Wave Propagation Directions and...
- Publication number 20120275638
- Publication date Nov 1, 2012
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sound Box
- Publication number 20120207333
- Publication date Aug 16, 2012
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Assembly Structure for Speaker System
- Publication number 20110317860
- Publication date Dec 29, 2011
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light-Powered Loudspeaker System
- Publication number 20110110537
- Publication date May 12, 2011
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Motor Structure of Loudspeaker
- Publication number 20100278370
- Publication date Nov 4, 2010
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENGAGING DEVICE FOR SPEAKER CABINET
- Publication number 20070169988
- Publication date Jul 26, 2007
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Super tweeter
- Publication number 20050238197
- Publication date Oct 27, 2005
- Sun Technique Electric Co., Ltd.
- Tzu-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tzu-Chung Chang

Person

Patents Grantslast 30 patents

Speaker mounting assembly

Layout pattern for SRAM and manufacturing methods thereof

Layout pattern for SRAM and manufacturing methods thereof

Engaging structure for installation of a loudspeaker

Assembly structure for speaker system

Engaging device for speaker cabinet

Super tweeter

Patents Applicationslast 30 patents

Layout pattern of static random access memory and the forming metho...

SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME

SYSTEMS AND METHODS FOR RECOMMENDING PRODUCTS BASED ON FACIAL ANALYSIS

LAYOUT PATTERN FOR SRAM AND MANUFACTURING METHODS THEREOF

LAYOUT PATTERN FOR SRAM AND MANUFACTURING METHODS THEREOF

Engaging Structure for Installation of a Loudspeaker

In-Wall/In-Ceiling Speaker with Grid Assembly

SEMICONDUCTOR CHIP AND METHOD OF ESTIMATING CAPABILITY OF SEMICONDU...

Loudspeakers With Double Dampers

Sandwich-type Woofer with Two Sound Wave Propagation Directions

Sandwich-Type Woofer with Two Sound Wave Propagation Directions and...

Sound Box

Assembly Structure for Speaker System

Light-Powered Loudspeaker System

Motor Structure of Loudspeaker

ENGAGING DEVICE FOR SPEAKER CABINET

Super tweeter