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For the Inventor, By the Inventor

Tokyo, Japan

Hiroaki Segawa

This inventor holds 13 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Display Technology. Top assignees: Dai Nippon Printing Co., Ltd., Dnp Fine Chemicals Co., Ltd., Ishihara Sangyo Kaisha, Ltd.. Active years: 2010-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Segawa. Retrieved from https://idiyas.com/inventor/hiroaki-segawa

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

Calculating rank
USPTO Granted Patents = 13 

% Patents Active = 84.6


Average Co-Inventor Count = 5.1

ph-index = 2

Forward Citations = 25(Granted Patents)


Location History:

  • Tokyo, JP (2010 - 2020)
  • Tokyo-to, JP (2012 - 2021)

Company Filing History:

goldMedal13 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
silverMedal1 out of 21 
 
Dnp Fine Chemicals Co., Ltd.
 patents
bronzeMedal1 out of 395 
 
Ishihara Sangyo Kaisha, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2010-2025

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Areas of Expertise:
Optical Film
Color Filter
Liquid Crystal Display
Color Material
Thermal Transfer Sheet
Dispersion Liquid
Color Resin Composition
Negative Type Resist
13 patents (USPTO):Explore Patents
1. 12216302 - Optical film, polarizing plate, image display device, and optical film selection method (2025-02-04),
2. 11169308 - Color material dispersion liquid for color filters, color material, color filter, liquid crystal display device and organic light-emitting display device (2021-11-09),
3. 10570287 - Non-aqueous dispersant, color material dispersion liquid for color filter, color filter, liquid crystal display device and organic light-emitting display device (2020-02-25),
4. 10525757 - Thermal transfer sheet, coating liquid for colorant layer, method for manufacturing thermal transfer sheet, and image forming method (2020-01-07),
5. 10317592 - Color material dispersion liquid for color filters, color material, color filter, liquid crystal display device and organic light-emitting display device (2019-06-11),
6. 9764580 - Thermal transfer sheet, coating liquid for colorant layer, method for manufacturing thermal transfer sheet, and image forming method (2017-09-19),
7. 9625615 - Non-aqueous dispersant, color material dispersion liquid and method for producing the same, color resin composition and method for producing the same, color filter, liquid crystal display device, and organic light-emitting display device (2017-04-18),
8. 9513418 - Color material dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device, and organic light-emitting display device (2016-12-06),
9. 9389348 - Color material, color material dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device and organic light-emitting display device (2016-07-12),
10. 9376571 - Colorant dispersion liquid, method for producing colorant dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device, and organic light-emitting display device (2016-06-28),
11. 9354367 - Color material dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device, and organic light-emitting display device (2016-05-31),
12. 8298452 - Negative type resist composition for color filter, color filter using same, and liquid crystal display (2012-10-30),
13. 7785501 - Black resin composition for display device, and member for display device (2010-08-31),

Title: Hiroaki Segawa - Pioneering Inventor from Tokyo-to, JP

Introduction: Hiroaki Segawa is a renowned inventor based in Tokyo-to, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroaki Segawa holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: With a career spanning over two decades, Hiroaki Segawa has established himself as a leading figure in the tech industry, with a focus on developing cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Hiroaki Segawa has collaborated with top research institutions, universities, and leading tech companies to further his research and bring his innovative ideas to life.

Conclusion: Hiroaki Segawa's passion for innovation and his relentless drive to create have solidified his position as a trailblazer in the world of technology, inspiring future generations of inventors to think outside the box and pursue their groundbreaking ideas.

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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