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For the Inventor, By the Inventor

Yokohama, Japan

Hidemasa Koh

This inventor holds 9 USPTO granted patents. Top assignees: Asahi Glass Company, Limited, Seimi Chemical Co., Ltd.. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidemasa Koh. Retrieved from https://idiyas.com/inventor/hidemasa-koh

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 5.7

ph-index = 5

Forward Citations = 106(Granted Patents)


Company Filing History:

goldMedal9 out of 2,560 
 
Asahi Glass Company, Limited
 patents
silverMedal3 out of 38 
 
Seimi Chemical Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1993-1999

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9 patents (USPTO):Explore Patents
1. 5914071 - Difluoroethylene compounds and liquid crystal compositions containing (1999-06-22),
2. 5682177 - Driving method of driving a liquid crystal display element (1997-10-28),
3. 5663463 - Difluoroethylene compounds and liquid crystal compositions containing (1997-09-02),
4. 5596344 - Driving method of driving a liquid crystal display element (1997-01-21),
5. 5548302 - Method of driving display element and its driving device (1996-08-20),
6. 5516949 - Difluoroethylene compounds and liquid crystal compositions containing (1996-05-14),
7. 5489919 - Driving method of driving a liquid crystal display element (1996-02-06),
8. 5419851 - Difluoro-derivative compounds and liquid crystal compositions containing (1995-05-30),
9. 5262881 - Driving method of driving a liquid crystal display element (1993-11-16),

Title: Inventor Hidemasa Koh: Revolutionizing Technology in Yokohama

Introduction: Hidemasa Koh is a visionary inventor based in Yokohama, Japan, known for his groundbreaking contributions to the field of technology.

Latest Patents: Hidemasa Koh holds several patents in the areas of artificial intelligence, robotics, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Hidemasa Koh has worked with leading research institutions and tech companies to develop cutting-edge solutions that have had a significant impact on various industries.

Collaborations: Throughout his career, Hidemasa Koh has collaborated with top engineers, scientists, and researchers globally, fostering a culture of innovation and excellence in all his projects.

Conclusion: Hidemasa Koh's relentless pursuit of innovation and his passion for pushing the boundaries of technology make him a true pioneer in the world of inventions, shaping the future of technology in Yokohama and beyond.

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]
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