Mitsumasa Matsushita

This inventor holds 17 USPTO granted patents and 4 published patent applications, plus 3 CIPO patents and 2 EPO patents, primarily in Composite Materials. Top assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha, Toyoda Gosei Co., Ltd.. Active years: 1985-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsumasa Matsushita. Retrieved from https://idiyas.com/inventor/mitsumasa-matsushita

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

Calculating rank

USPTO Granted Patents = 17 (Patent Applications = 4)

% Patents Active = 88.2

CIPO Patents = 3

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 5.4

ph-index = 6

Forward Citations = 97(Granted Patents)

Location History:

Aichi, JP (1995 - 2003)
Aichi-ken, JP (2004)
Nagoya, JP (1985 - 2015)

Company Filing History:

10 out of 1,154

Kabushiki Kaisha Toyota Chuo Kenkyusho

patents

7 out of 39,010

Toyota Jidosha Kabushiki Kaisha

patents

2 out of 3,086

Toyoda Gosei Co., Ltd.

patents

4. 4 out of 834,601

Other

patents

where one patent can have more than one assignee

Years Active: 1985-2025

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Areas of Expertise:

Carbon Fiber

Nanocomposite

Resin Composition

Polyolefin Composite

Crosslinked Rubber

Rubber Composition

Composite Resin

Epoxy Resin

Fuel Absorbent

Waste Plastics

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12503795 - Carbon fiber precursor fiber, fiber for carbon fiber precursor fiber, method of producing carbon fiber precursor fiber, method of producing stabilized fiber, and method of producing carbon fiber (2025-12-23),

2. 12163258 - Carbon fiber and method for producing the same (2024-12-10),

3. 9150414 - Nanocomposite and dispersion comprising the same (2015-10-06),

4. 8859668 - Resin composition (2014-10-14),

5. 8796371 - Resin composition and electrically insulating part obtained from the same (2014-08-05),

6. 7465762 - Polyolefin composite material, method for producing same, and formed product thereof (2008-12-16),

7. 6777453 - Method of reclaiming crosslinked rubber, and molded article of reclaimed rubber (2004-08-17),

8. 6632918 - Method of reclaiming crosslinked rubber (2003-10-14),

9. 6316508 - Rubber composition and method for producing the same (2001-11-13),

10. 6207723 - Rubber composition and method for producing the same (2001-03-27),

11. 6015856 - Composite resin material and method of forming the same (2000-01-18),

12. 5958988 - Cross-linked polyurethane resin powder and process for producing the same (1999-09-28),

13. 5476624 - Process for reclaiming waste plastics having a paint film (1995-12-19),

14. 5348929 - Fuel absorbent (1994-09-20),

15. 5174938 - Process for producing fuel absorbent (1992-12-29),

Title: Innovations of Mitsumasa Matsushita

Introduction

Mitsumasa Matsushita is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced composites and nanostructures. With a total of 17 patents to his name, Matsushita's work has had a considerable impact on various industries.

Latest Patents

Matsushita's latest patents include innovative technologies such as a carbon fiber and a method for producing the same. This carbon fiber features an average fiber diameter ranging from 3 to 10 μm, with specific intensity ratios in its Raman spectrum. Another notable patent is for a nanocomposite and dispersion comprising a nanostructure, which includes a copolymer adsorbed to the nanostructure. This copolymer contains at least one ionic monomer unit, showcasing Matsushita's expertise in advanced material formulations.

Career Highlights

Throughout his career, Matsushita has worked with esteemed companies, including Kabushiki Kaisha Toyota Chuo Kenkyusho and Toyota Jidosha Kabushiki Kaisha. His experience in these organizations has allowed him to collaborate on groundbreaking projects that push the boundaries of technology.

Collaborations

Matsushita has collaborated with notable colleagues such as Norio Sato and Takashi Ohta. These partnerships have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies.

Conclusion

Mitsumasa Matsushita's contributions to the field of materials science are noteworthy, with his patents reflecting a commitment to innovation and excellence. His work continues to influence advancements in various industries, solidifying his reputation as a leading inventor.

Profile summary based on public USPTO records.