Don Chul Choi

Person

Incheon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Printed circuit board having embedded RF module power stage circuit
- Patent number 8,068,347
- Issue date Nov 29, 2011
- Samsung Electro-Mechanics Co., Ltd.
- Don Chul Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multilayer substrate manufacturing method
- Patent number 7,937,827
- Issue date May 10, 2011
- Samsung Electro-Mechanics Co., Ltd.
- Don C. Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Printed circuit board having embedded RF module power stage circuit
- Patent number 7,843,702
- Issue date Nov 30, 2010
- Samsung Electro-Mechanics Co., Ltd.
- Don Chul Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Printed circuit board having embedded RF module power stage circuit
- Patent number 7,663,892
- Issue date Feb 16, 2010
- Samsung Electro-Mechanics Co., Ltd.
- Don Chul Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multilayer substrate and the manufacturing method thereof
- Patent number 7,557,445
- Issue date Jul 7, 2009
- Samsung Electro-Mechanics Co., Ltd.
- Don C. Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multilayered chip capacitor and printed circuit board having embedd...
- Patent number 7,230,815
- Issue date Jun 12, 2007
- Samsung Electro-Mechanics Co., Ltd.
- Hee Soo Yoon
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
PRINTED CIRCUIT BOARD HAVING EMBEDDED RF MODULE POWER STAGE CIRCUIT
- Publication number 20090268418
- Publication date Oct 29, 2009
- Samsung Electro-Mechanics CO., LTD.
- Don Chul Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PRINTED CIRCUIT BOARD HAVING EMBEDDED RF MODULE POWER STAGE CIRCUIT
- Publication number 20090268419
- Publication date Oct 29, 2009
- SAMSUNG ELECTRO-MECHANICS CO., LTD,
- Don Chul Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Multilayer substrate manufacturing method
- Publication number 20090197369
- Publication date Aug 6, 2009
- Don C. Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Printed circuit board having embedded RF module power stage circuit
- Publication number 20060291177
- Publication date Dec 28, 2006
- Samsung Electro-Mechanics CO., LTD.
- Don Chul Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Multilayer substrate and the manufacturing method thereof
- Publication number 20060255456
- Publication date Nov 16, 2006
- Samsung Electro-Mechanics Co., Ltd.
- Don C. Choi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Multilayered chip capacitor and printed circuit board having embedd...
- Publication number 20060139849
- Publication date Jun 29, 2006
- Samsung Electro-Mechanics Co., Ltd.
- Hee Soo Yoon
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Don Chul Choi

Person

Patents Grantslast 30 patents

Printed circuit board having embedded RF module power stage circuit

Multilayer substrate manufacturing method

Printed circuit board having embedded RF module power stage circuit

Printed circuit board having embedded RF module power stage circuit

Multilayer substrate and the manufacturing method thereof

Multilayered chip capacitor and printed circuit board having embedd...

Patents Applicationslast 30 patents

PRINTED CIRCUIT BOARD HAVING EMBEDDED RF MODULE POWER STAGE CIRCUIT

PRINTED CIRCUIT BOARD HAVING EMBEDDED RF MODULE POWER STAGE CIRCUIT

Multilayer substrate manufacturing method

Printed circuit board having embedded RF module power stage circuit

Multilayer substrate and the manufacturing method thereof

Multilayered chip capacitor and printed circuit board having embedd...