Hak-cheol Yang

Person

Kyungki-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
One-pin dynamic electron gun for a cathode ray tube
- Patent number 6,455,995
- Issue date Sep 24, 2002
- Samsung Display Devices Co., Ltd.
- Hyoung-wook Jang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube with auxiliary electrodes having a plurality of slots
- Patent number 6,339,285
- Issue date Jan 15, 2002
- Samsung SDI Co., Ltd.
- Hak-cheol Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for color cathode ray tube
- Patent number 5,965,973
- Issue date Oct 12, 1999
- Samsung Display Devices Co., Ltd.
- Hak-cheol Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for color cathode ray tube
- Patent number 5,905,332
- Issue date May 18, 1999
- Samsung Display Devices Co., Ltd.
- Neung-yong Yun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent screen pattern for beam index tube and beam index tube...
- Patent number 5,818,163
- Issue date Oct 6, 1998
- Samsung Display Devices Co., Ltd.
- Hak-cheol Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for driving directly heated cathode of cathode ray tube
- Patent number 5,744,911
- Issue date Apr 28, 1998
- Samsung Display Devices Co., Ltd.
- Sang-kyun Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun for color cathode ray tube providing two electron beam...
- Patent number 5,739,629
- Issue date Apr 14, 1998
- Samsung Display Devices Co., Ltd.
- Neung-yong Yun
- H01 - BASIC ELECTRIC ELEMENTS

Hak-cheol Yang

Person

Patents Grantslast 30 patents

One-pin dynamic electron gun for a cathode ray tube

Cathode ray tube with auxiliary electrodes having a plurality of slots

Electron gun for color cathode ray tube

Electron gun for color cathode ray tube

Fluorescent screen pattern for beam index tube and beam index tube...

Device for driving directly heated cathode of cathode ray tube

Electron gun for color cathode ray tube providing two electron beam...