HSI-CHIEH CHEN

Person

New Taipei, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of a device for generating terahertz radiation
- Patent number 11,177,633
- Issue date Nov 16, 2021
- NATIONAL TAIWAN UNIVERSITY
- Chao-Hsin Wu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum tube amplification system capable of reducing residual noise...
- Patent number 11,121,678
- Issue date Sep 14, 2021
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vacuum tube subwoofer extraction circuit system
- Patent number 10,938,364
- Issue date Mar 2, 2021
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Three-piece extensible movable soundbox
- Patent number 10,924,854
- Issue date Feb 16, 2021
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio system with sound-field-type nature sound effect
- Patent number 10,856,082
- Issue date Dec 1, 2020
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vacuum tube rear device
- Patent number 10,755,885
- Issue date Aug 25, 2020
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum tube and transistor amplifier natural sound field tone divid...
- Patent number 10,727,792
- Issue date Jul 28, 2020
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna structure and wireless communication device using same
- Patent number 10,505,262
- Issue date Dec 10, 2019
- Chiun Mai Communication Systems, Inc.
- Chien-Chang Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum tube audio amplifier
- Patent number 10,218,320
- Issue date Feb 26, 2019
- ECHOWELL ELECTRONICS CO., LTD.
- Hsi-Hsien Chen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Antenna structure and wireless communication device using same
- Patent number 10,218,051
- Issue date Feb 26, 2019
- Chiun Mai Communication Systems, Inc.
- Chih-Ho Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna structure and wireless communication device using same
- Patent number 10,177,439
- Issue date Jan 8, 2019
- Chiun Mai Communication Systems, Inc.
- Chih-Ho Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Grounding structure and grounding method of vacuum tube audio ampli...
- Patent number 10,135,402
- Issue date Nov 20, 2018
- ECHOWELL ELECTRONICS CO., LTD.
- Hsi-Hsien Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna module
- Patent number 9,653,780
- Issue date May 16, 2017
- Chiun Mai Communication Systems, Inc.
- Hsi-Chieh Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
THREE-PIECE EXTENSIBLE MOVABLE SOUNDBOX
- Publication number 20200413193
- Publication date Dec 31, 2020
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VACUUM TUBE SUBWOOFER EXTRACTION CIRCUIT SYSTEM
- Publication number 20200412312
- Publication date Dec 31, 2020
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien CHEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
VACUUM TUBE REAR DEVICE
- Publication number 20190318898
- Publication date Oct 17, 2019
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien CHEN
- G01 - MEASURING TESTING
Information Patent Application
VACUUM TUBE AUDIO AMPLIFIER
- Publication number 20190068138
- Publication date Feb 28, 2019
- ECHOWELL ELECTRONIC CO., LTD.
- Hsi-Hsien CHEN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
- Publication number 20180183139
- Publication date Jun 28, 2018
- Chiun Mai Communication Systems, Inc.
- CHIEN-CHANG LIU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
- Publication number 20180026333
- Publication date Jan 25, 2018
- Chiun Mai Communication Systems, Inc.
- CHIH-HO LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME
- Publication number 20180026335
- Publication date Jan 25, 2018
- Chiun Mai Communication Systems, Inc.
- CHIH-HO LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Merchandise Recommendation System, Method and Non-Transitory Comput...
- Publication number 20150127482
- Publication date May 7, 2015
- Institute For Information Industry
- Grace Lin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
GPS ANTENNA, MOTHERBOARD EMPLOYING SAME, AND WIRELESS COMMUNICATION...
- Publication number 20140313097
- Publication date Oct 23, 2014
- Chiun Mai Communication Systems, Inc.
- CHANG-HSIN OU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA STRUCTURE
- Publication number 20140292596
- Publication date Oct 2, 2014
- Chiun Mai Communication Systems, Inc.
- CHANG-HSIN OU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA MODULE
- Publication number 20140232602
- Publication date Aug 21, 2014
- Chiun Mai Communication Systems, Inc.
- HSI-Chieh CHEN
- H01 - BASIC ELECTRIC ELEMENTS

HSI-CHIEH CHEN

Person

Patents Grantslast 30 patents

Manufacturing method of a device for generating terahertz radiation

Vacuum tube amplification system capable of reducing residual noise...

Vacuum tube subwoofer extraction circuit system

Three-piece extensible movable soundbox

Audio system with sound-field-type nature sound effect

Vacuum tube rear device

Vacuum tube and transistor amplifier natural sound field tone divid...

Antenna structure and wireless communication device using same

Vacuum tube audio amplifier

Antenna structure and wireless communication device using same

Antenna structure and wireless communication device using same

Grounding structure and grounding method of vacuum tube audio ampli...

Antenna module

Patents Applicationslast 30 patents

THREE-PIECE EXTENSIBLE MOVABLE SOUNDBOX

VACUUM TUBE SUBWOOFER EXTRACTION CIRCUIT SYSTEM

VACUUM TUBE REAR DEVICE

VACUUM TUBE AUDIO AMPLIFIER

ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME

ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME

ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE USING SAME

Merchandise Recommendation System, Method and Non-Transitory Comput...

GPS ANTENNA, MOTHERBOARD EMPLOYING SAME, AND WIRELESS COMMUNICATION...

ANTENNA STRUCTURE

ANTENNA MODULE