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For the Inventor, By the Inventor

Kobe, Japan

Yasuhiro Ukai

This inventor holds 31 USPTO granted patents, primarily in Liquid Crystal Displays. Top assignees: Hosiden Electronics Co., Ltd., Hosiden Corporation, Nippon Telegraph and Telephone Corporation. Active years: 1983-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Ukai. Retrieved from https://idiyas.com/inventor/yasuhiro-ukai

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

USPTO Granted Patents = 31

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 20

Forward Citations = 1,172(Granted Patents)


Location History:

  • Yao, JP (1983 - 1991)
  • Kobe, JP (1988 - 1998)

Company Filing History:

goldMedal19 out of 173 
 
Hosiden Electronics Co., Ltd.
 patents
silverMedal12 out of 792 
 
Hosiden Corporation
 patents
bronzeMedal1 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
where one patent can have more than one assignee

Years Active: 1983-1998

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Areas of Expertise:
Thin-Film Transistor
Liquid Crystal Display
Gray Scale Control
Active Matrix
Capacitive Electrodes
Defective Pixels
Metallic Bus Repair
Projector
Short-Circuit Metal Layer
Control Capacitor
31 patents (USPTO):Explore Patents
1. 5796457 - TN liquid crystal display panel with the difference between the produce (1998-08-18),
2. 5614729 - Top gate thin-film transistor (1997-03-25),
3. 5576863 - Gray scale multi domain liquid crystal display panel having capacitive (1996-11-19),
4. 5576858 - Gray scale LCD control capacitors formed between a control capacitor (1996-11-19),
5. 5521729 - Liquid crystal display device with control capacitor for gray scale (1996-05-28),
6. 5321535 - Liquid crystal display device with control capacitors for gray scale (1994-06-14),
7. 5245450 - Liquid crystal display device with control capacitors for gray-scale (1993-09-14),
8. 5223961 - Active liquid crystal display panel having a short-circuit metal layer (1993-06-29),
9. 5162933 - Active matrix structure for liquid crystal display elements wherein each (1992-11-10),
10. 5121236 - Liquid crystal display element and method for treating defective pixels (1992-06-09),
11. 5086347 - Liquid crystal display device having metallic bus repair layer (1992-02-04),
12. 5068748 - Active matrix liquid crystal display device having improved (1991-11-26),
13. 5061648 - Method of fabricating a thin-film transistor (1991-10-29),
14. 5042916 - Active matrix display device having divided additional capacitors (1991-08-27),
15. 4994401 - Method of making a thin film transistor (1991-02-19),

Title: The Innovative Mind of Yasuhiro Ukai

Introduction: Yasuhiro Ukai is a renowned inventor hailing from Kobe, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yasuhiro Ukai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Yasuhiro Ukai has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Yasuhiro Ukai has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Yasuhiro Ukai's passion for innovation and his relentless drive to push the boundaries of what is possible make him a true pioneer in the world of inventions. His work continues to inspire future generations of inventors and innovators worldwide.

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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