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For the Inventor, By the Inventor

Yokohama, Japan

Hitoshi Yuasa

This inventor holds 36 USPTO granted patents, primarily in Photosensitive Resins. Top assignees: Nippon Oil Company, Dai Nippon Printing Co., Ltd., Nippon Mitsubishi Oil Corporation. Active years: 1980-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Yuasa. Retrieved from https://idiyas.com/inventor/hitoshi-yuasa

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

USPTO Granted Patents = 36

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 245(Granted Patents)


Company Filing History:

goldMedal34 out of 690 
 
Nippon Oil Company
 patents
silverMedal4 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
bronzeMedal1 out of 84 
 
Nippon Mitsubishi Oil Corporation
 patents
where one patent can have more than one assignee

Years Active: 1980-2002

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Areas of Expertise:
Photosensitive Resin
Color Filter
Coating Composition
Light Shielding Layer
Positive Type Photoresist
Phenolic Resin
Durable Protection Coating
Oligomer Adducts
High-Density Fuel
Traction Drive Fluid
Norbornene Structure
Polyhexamethylenimine
36 patents (USPTO):Explore Patents
1. 6368521 - Water-based coating composition (2002-04-09),
2. 5876882 - Method for producing a color filter with a photosensitive coating film (1999-03-02),
3. 5718992 - Substrate having light shielding layer (1998-02-17),
4. 5665496 - Method for producing color filter (1997-09-09),
5. 5527649 - Method for forming a substrate having a light shielding layer (1996-06-18),
6. 5527648 - Method for producing color filter (1996-06-18),
7. 5478681 - Method for producing color filter (1995-12-26),
8. 5432234 - Resin, process for preparing the same and compositon comprising the same (1995-07-11),
9. 5427888 - Positive photosensitive resin composition comprising a polymer having (1995-06-27),
10. 5422207 - Method for producing color filter (1995-06-06),
11. 5412002 - Composition of glycidylated phenol/vinylcyclohexene or vinylnorbornene (1995-05-02),
12. 5411836 - Positive type photoresist composition comprising a polymer having (1995-05-02),
13. 5385795 - Method for producing color filter (1995-01-31),
14. 5372902 - Method for producing color filter (1994-12-13),
15. 5368977 - Positive type photosensitive quinone diazide phenolic resin composition (1994-11-29),

Title: The Innovative Journey of Hitoshi Yuasa

Introduction: Hitoshi Yuasa, a pioneering inventor hailing from Yokohama, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Hitoshi Yuasa's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable health monitoring devices, and sustainable energy solutions.

Career Highlights: With over two decades of experience in research and development, Hitoshi Yuasa has led numerous successful projects that have resulted in cutting-edge products and technologies being brought to market.

Collaborations: Throughout his career, Hitoshi Yuasa has collaborated with leading tech companies, research institutions, and universities to push the boundaries of innovation and create solutions that address real-world challenges.

Conclusion: Hitoshi Yuasa's relentless pursuit of innovation and his passion for creating a positive impact on society continue to inspire the next generation of inventors and entrepreneurs.

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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