IDiyas

For the Inventor, By the Inventor

Kanagawa, Japan

Rikio Yokota

USPTO Granted Patents = 8 


Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Chofu, JP (2014)
  • Sagamihara, JP (2015)
  • Kanagawa, JP (2018 - 2020)
  • Osaka, JP (2020)
  • Settu, JP (2022)

Company Filing History:

goldMedal8 out of 1,700 
 
Kaneka Corporation
 patents
silverMedal7 out of 236 
 
Japan Aerospace Exploration Agency
 patents
where one patent can have more than one assignee

Years Active: 2014-2025

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8 patents (USPTO):Explore Patents
1. 12305003 - Polyamic acid having specific composition, varnish, cured product, and composite material (2025-05-20),
2. 11492446 - Semipreg, prepreg, resin composite material, and production methods thereof (2022-11-08),
3. 10815390 - Polyimide resin composition and varnish produced from terminal-modified imide oligomer prepared using 2-phenyl-4,4'-diaminodiphenyl ether and thermoplastic aromatic polyimide prepared using oxydiphthalic acid, polyimide resin composition molded article and prepreg having excellent heat resistance and mechanical characteristic, and fiber-reinforced composite material thereof (2020-10-27),
4. 10526450 - Terminally modified imide oligomer, varnish, cured products thereof, film, and imide prepreg and fiber-reinforced composite material using these (2020-01-07),
5. 10047246 - Varnish including 2-phenyl-4,4'-diaminodiphenyl ether, imide resin composition having excellent moldability, cured resin molded article having excellent breaking elongation, prepreg thereof, imide prepreg thereof, and fiber-reinforced material thereof having high heat resistance and excellent mechanical strength (2018-08-14),
6. 10017666 - Polyimide resin composition and varnish produced from terminal-modified imide oligomer prepared using 2-phenyl-4,4'-diaminodiphenyl ether and thermoplastic aromatic polyimide prepared using oxydiphthalic acid, polyimide resin composition molded article and prepreg having excellent heat resistance and mechanical characteristic, and fiber-reinforced composite material thereof (2018-07-10),
7. 9051430 - Resin-transfer-moldable terminal-modified imide oligomer using 2-phenyl-4,4'diaminodiphenyl ether and having excellent moldability, mixture thereof, varnish containing same, and cured resin thereof and fiber-reinforced cured resin thereof made by resin transfer molding and having excellent heat resistance (2015-06-09),
8. 8846552 - Soluble terminally modified imide oligomer using 2-phenyl-4, 4'-diaminodiphenyl ether, varnish, cured product thereof, imide prepreg thereof, and fiber-reinforced laminate having excellent heat resistance (2014-09-30),

Title: The Innovations of Rikio Yokota

Introduction

Rikio Yokota is a prominent inventor based in Kanagawa, Japan. He holds a total of eight patents, showcasing his significant contributions to the field of materials science and engineering. His work primarily focuses on advanced composite materials and their applications.

Latest Patents

Yokota's latest patents include a polyamic acid with a specific composition, which is capable of producing a cured product with excellent physical properties, particularly a high glass transition temperature. Another notable patent involves semipreg and prepreg materials designed to reduce defects such as voids. This innovation aims to create fiber-reinforced composite materials with high heat resistance and superior mechanical strength.

Career Highlights

Throughout his career, Yokota has worked with notable organizations, including Kaneka Corporation and the Japan Aerospace Exploration Agency. His experience in these companies has allowed him to develop cutting-edge technologies that have practical applications in various industries.

Collaborations

Yokota has collaborated with esteemed colleagues such as Yuichi Ishida and Masahiko Miyauchi. Their combined expertise has contributed to the advancement of innovative materials and processes.

Conclusion

Rikio Yokota's contributions to the field of materials science are significant, with multiple patents that reflect his innovative spirit. His work continues to influence the development of advanced composite materials, showcasing the importance of research and collaboration in driving technological progress.

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