Keun Y. Yang

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device
- Patent number 5,638,352
- Issue date Jun 10, 1997
- Goldstar Co., Ltd.
- Keun Y. Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup system
- Patent number 5,553,050
- Issue date Sep 3, 1996
- Goldstar Co., Ltd.
- Keun Y. Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up system with servo using reflection plate having ape...
- Patent number 5,504,724
- Issue date Apr 2, 1996
- Goldstar Co., Ltd.
- Keun Young Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup apparatus having a quadrant hologram and a quadrant...
- Patent number 5,493,425
- Issue date Feb 20, 1996
- Goldstar Co., Ltd.
- Keun Y. Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up device with error detection using P-wave
- Patent number 5,483,509
- Issue date Jan 9, 1996
- Goldstar Co., Ltd.
- Keun Y. Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup system
- Patent number 5,426,630
- Issue date Jun 20, 1995
- Goldstar Co., Ltd.
- Keun Y. Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical system for laser beam scanner
- Patent number 5,309,261
- Issue date May 3, 1994
- Goldstar Co., Ltd.
- Keun Y. Yang
- G02 - OPTICS
Information Patent Grant
Displayer with holograms
- Patent number 5,274,478
- Issue date Dec 28, 1993
- Goldstar Co., Ltd.
- Keun Y. Yang
- G02 - OPTICS
Information Patent Grant
Holographic laser beam scanning apparatus
- Patent number 5,253,087
- Issue date Oct 12, 1993
- Gold Star Co., Ltd.
- Keun Y. Yang
- G02 - OPTICS
Information Patent Grant
Multi-functional laser printer
- Patent number 5,245,442
- Issue date Sep 14, 1993
- Goldstar Co., Ltd.
- Keun Y. Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical apparatus for fingerprint recognition system
- Patent number 5,189,482
- Issue date Feb 23, 1993
- Goldstar Co., Ltd.
- Keun Y. Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compositive functional laser printer
- Patent number 5,140,343
- Issue date Aug 18, 1992
- Goldstar Co., Ltd.
- Keun Y. Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fingerprint recognition device using a hologram
- Patent number 5,109,427
- Issue date Apr 28, 1992
- Goldstar Co., Ltd.
- Keun Y. Yang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Bar code reader
- Patent number 5,028,771
- Issue date Jul 2, 1991
- Goldstar Co., Ltd.
- Keun Y. Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanning system for a bar code reader
- Patent number 4,999,482
- Issue date Mar 12, 1991
- Goldstar Co, Ltd.
- Keun Y. Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for determining concentrations of mineral elements
- Patent number 4,979,123
- Issue date Dec 18, 1990
- Goldstar Co., Ltd.
- Keun Y. Yang
- G01 - MEASURING TESTING
Information Patent Grant
Laser scanning system for displaying a three-dimensional color image
- Patent number 4,978,202
- Issue date Dec 18, 1990
- Goldstar Co., Ltd.
- Keun Y. Yang
- G02 - OPTICS

Keun Y. Yang

Person

Patents Grantslast 30 patents

Optical pickup device

Optical pickup system

Optical pick-up system with servo using reflection plate having ape...

Optical pickup apparatus having a quadrant hologram and a quadrant...

Optical pick-up device with error detection using P-wave

Optical pickup system

Optical system for laser beam scanner

Displayer with holograms

Holographic laser beam scanning apparatus

Multi-functional laser printer

Optical apparatus for fingerprint recognition system

Compositive functional laser printer

Fingerprint recognition device using a hologram

Bar code reader

Optical scanning system for a bar code reader

Apparatus for determining concentrations of mineral elements

Laser scanning system for displaying a three-dimensional color image