Matsumoto, Japan

Harunobu Komatsu

This inventor holds 42 USPTO granted patents and 14 published patent applications and 2 EPO patents, primarily in Electrophoretic Displays. Top assignees: Seiko Epson Corporation, Nippon Shokubai Co., Ltd., E Ink Corporation. Active years: 2008-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harunobu Komatsu. Retrieved from https://idiyas.com/inventor/harunobu-komatsu

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

USPTO Granted Patents = 42 

% Patents Active = 64.3


Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 162(Granted Patents)


Location History:

  • Masumoto, JP (2016)
  • Matsumoto, JP (2008 - 2021)

Company Filing History:


Years Active: 2008-2026

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Areas of Expertise:
Electrophoretic Display
Ink Jet Composition
Dispersion Liquid
Electrophoretic Particle
Display Device
Microcapsules
Manufacturing Method
Electrophoresis
Coating Composition
Electronic Apparatus
Toner Manufacturing
Electrophoretic Sheet
42 patents (USPTO):Explore Patents

Title: Harunobu Komatsu: Innovator in Inkjet Technologies

Introduction

Harunobu Komatsu is a notable inventor based in Matsumoto, Japan, recognized for his significant contributions in the field of inkjet technology. With a remarkable portfolio of 36 patents, Komatsu has established himself as a key figure in the development of innovative materials and methods in this specialized area.

Latest Patents

Among his latest patents, Komatsu has developed an inkjet composition that includes water, a polyester resin with sulfo groups, and colorants made from particles of the polyester resin. Notably, the invention emphasizes a high abundance of sulfo groups at the surface of the particles compared to their centers, enhancing the performance of the inkjet application. Furthermore, his work on an electrophoretic dispersion liquid outlines a method for creating efficient dispersion mediums that encapsulate electrophoretic particles. This innovative liquid incorporates a precisely controlled content of transition metal elements, thereby optimizing the properties of electrophoretic devices and electronic apparatuses.

Career Highlights

Throughout his career, Harunobu Komatsu has worked with leading companies, including Seiko Epson Corporation and Nippon Shokubai Co., Ltd., where he has contributed significantly to research and development initiatives. His expertise in inkjet technologies has positioned him as a valuable asset in these organizations, underpinning advancements within the industry.

Collaborations

Komatsu has collaborated with notable peers, including Hitoshi Yamamoto and Mitsuo Kushino. These partnerships have fostered an environment of innovation, enabling the sharing of ideas and technical knowledge that have further propelled the development of cutting-edge inkjet technologies.

Conclusion

Harunobu Komatsu's contributions to innovation in inkjet technologies, backed by his extensive patent portfolio and collaborations with industry leaders, mark him as an influential inventor in the field. His commitment to advancing material science not only enhances the functionality and efficiency of inkjet compositions but also paves the way for future innovations in electronic applications.

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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