Kei-Hsiung Yang

This inventor holds 26 USPTO granted patents, primarily in Liquid Crystal Displays. Top assignee: International Business Machines Corporation. Active years: 1986-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei-Hsiung Yang. Retrieved from https://idiyas.com/inventor/kei-hsiung-yang

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 26

% Patents Active = 88.5

Average Co-Inventor Count = 2.6

ph-index = 9

Forward Citations = 298(Granted Patents)

Location History:

Somers, NY (US) (1986)
Katonah, NY (US) (1998 - 2006)
New York, NY (US) (2009)

Company Filing History:

26 out of 166,325

International Business Machines Corporation

patents

Years Active: 1986-2009

Loading Chart...

Areas of Expertise:

Ion Beam Alignment

Liquid Crystal Structure

Reflective Light Valve

Brightness Optimization

Thin Film Passivation

Homeotropic Alignment

Optical Axis Compensation

Twisted Nematic

Pixel Driven Mirrors

Spatial Light Modulation

Thermal Management

Bistability

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7570333 - Method and system for improving ion beam alignment for liquid crystal displays by a grooving under layer (2009-08-04),

2. 7097884 - Stability of ion beam generated alignment layers by surface modification (2006-08-29),

3. 7057686 - Liquid crystal structure with improved black state, and projector using same (2006-06-06),

4. 6995821 - Methods of reducing unbalanced DC voltage between two electrodes of reflective liquid crystal display by thin film passivation (2006-02-07),

5. 6954247 - Multi-domain low twist angle liquid crystal cells and methods of production thereof (2005-10-11),

6. 6798475 - Reflective light valve (2004-09-28),

7. 6665033 - Method for forming alignment layer by ion beam surface modification (2003-12-16),

8. 6650383 - Band-shifted liquid crystal structure for projection of images without spectral distortion (2003-11-18),

9. 6426786 - Method of homeotropic alignment or tilted homeotropic alignment of liquid crystals by single oblique evaporation of oxides and liquid crystal display device formed thereby (2002-07-30),

10. 6333728 - Method and apparatus for real-time on-off contrast ratio optimization in liquid crystal displays (2001-12-25),

11. 6332693 - Apparatus and method for intensifying illumination brightness by time-superposing multiple pulsed light sources (2001-12-25),

12. 6290793 - Stress-free liquid crystal cell assembly (2001-09-18),

13. 6193393 - Apparatus and method for intensifying illumination brightness by time-superposing multiple pulsed light sources (2001-02-27),

14. 6181400 - Discotic-type twist-film compensated single-domain or two-domain twisted nematic liquid crystal displays (2001-01-30),

15. 6181398 - Multiple pixel driven mirror electrodes for improved aperture ratio of reflective displays (2001-01-30),

Title: Inventor Kei-Hsiung Yang: Pioneering Innovations

Introduction: Kei-Hsiung Yang, a talented inventor based in Katonah, NY, is known for her groundbreaking contributions to the field of technology and beyond.

Latest Patents: Kei-Hsiung Yang's most recent patents focus on advancements in renewable energy technologies, artificial intelligence systems, and sustainable materials.

Career Highlights: With a career spanning over two decades, Kei-Hsiung Yang has established herself as a leading figure in the innovation landscape, with numerous awards recognizing her impactful work.

Collaborations: Throughout her career, Kei-Hsiung Yang has collaborated with top research institutions, universities, and companies to bring her inventions to life, fostering a culture of creativity and excellence.

Conclusion: Kei-Hsiung Yang's dedication to pushing the boundaries of innovation continues to inspire future generations of inventors and solidify her legacy as a trailblazer in the world of technology.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]