Herbert Plach

This inventor holds 90 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 4 EPO patents, primarily in Liquid Crystal Displays (CPC class 25229963). Top assignees: Merck Patent Gesellschaft MIT Beschrankter Haftung, Merck Patent Gmbh, Sharp Corporation. Active years: 1991-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Herbert Plach. Retrieved from https://idiyas.com/inventor/herbert-plach

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

USPTO Granted Patents = 90 (Patent Applications = 1)

% Patents Active = 87.8

CIPO Patents = 1 (Patent Applications = 3)

EPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 4.9

ph-index = 13

Forward Citations = 682(Granted Patents)

Forward Citations (Not Self Cited) = 480(Dec 10, 2025)

Inventors with similar research interests:

🔬 See more inventors

Location History:

Darmstadt, JP (1996)
Darmstadt, DE (1991 - 2020)

Company Filing History:

73 out of 1,248

Merck Patent Gesellschaft MIT Beschrankter Haftung

Merck Patent Gesellschaft MIT Beschraenkter Haftung

patents

6. 1 out of 37

Merck Patent Gesellschaft MIT Beschränkter Haftung

patents

where one patent can have more than one assignee

Years Active: 1991-2020

Loading Chart...

Areas of Expertise:

Liquid Crystalline Medium

Liquid Crystal Display

Phenylcyclohexanes

Electrooptical Display

Chiral Dopes

Nematic Composition

Matrix Display

Supertwist Display

Grey Shades

Benzene Derivatives

Benzochromene Derivatives

Fluorobenzene Derivatives

90 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10774263 - Liquid-crystalline medium and liquid-crystal display comprising the same (2020-09-15),

2. 9567522 - Liquid crystal system and liquid crystal display (2017-02-14),

3. 9550942 - Liquid crystal medium and electrooptical display containing same (2017-01-24),

4. 8409469 - Liquid crystal system and liquid crystal display (2013-04-02),

5. 8333906 - Liquid crystal system and liquid crystal display (2012-12-18),

6. 7998541 - Benzochromene derivatives for use in liquid crystal media and as therapeutic active substances (2011-08-16),

7. 7794621 - Liquid crystal system and liquid crystal display (2010-09-14),

8. 7445818 - Matrix liquid crystal display (2008-11-04),

9. 7250199 - Phenylcyclohexanes and a liquid-crystalline medium (2007-07-31),

10. 7186447 - Matrix liquid crystal display (2007-03-06),

11. 6955837 - Phenylcyclohexanes and a liquid-crystalline medium (2005-10-18),

12. 6905740 - Matrix liquid crystal display (2005-06-14),

13. 6781664 - Liquid-crystal switching elements comprising a liquid-crystal layer which has extremely low optical retardation and liquid-crystal displays containing them (2004-08-24),

14. 6689291 - Liquid-crystalline medium (2004-02-10),

15. 6677002 - Phenylcyclohexanes and a liquid-crystalline medium (2004-01-13),

Title: Herbert Plach - Innovative Inventor from Darmstadt

Introduction: Herbert Plach is a renowned inventor hailing from Darmstadt, Germany, known for his groundbreaking contributions to various fields of technology and science.

Latest Patents: Herbert Plach holds several patents in the areas of renewable energy, sustainable materials, and advanced robotics, showcasing his commitment to creating solutions for the future.

Career Highlights: With a career spanning over two decades, Herbert Plach has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized industries worldwide.

Collaborations: Throughout his career, Herbert Plach has collaborated with top companies, innovative startups, and brilliant minds in the field, fostering a culture of innovation and excellence.

Conclusion: Herbert Plach's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the landscape of the future.

Profile summary based on public USPTO records.