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For the Inventor, By the Inventor

Shizuoka, Japan

Osamu Kiyohara

This inventor holds 6 USPTO granted patents. Top assignees: Tomoegawa Paper Co., Inc., Other. Active years: 1993-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Kiyohara. Retrieved from https://idiyas.com/inventor/osamu-kiyohara

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal6 out of 209 
 
Tomoegawa Paper Co., Inc.
 patents
silverMedal3 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-1997

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6 patents (USPTO):Explore Patents
1. 5686557 - Polyamide resin which can be dissolved in alcohol solvent, composition (1997-11-11),
2. 5349018 - Polyamide-hydrogenated polybutadiene-acrylonitrile copolymers (1994-09-20),
3. 5342895 - Block copolymer and method of producing the same (1994-08-30),
4. 5334662 - Epoxy resin/phenolic OH-aramid/ban block copolymer product with CTBN (1994-08-02),
5. 5334661 - Epoxy resin reacted with phenolic OH-aramide/ban (1994-08-02),
6. 5258456 - Epoxy resin with phenolic OH-aramide/ban block copolymer (1993-11-02),

Title: Inventor Osamu Kiyohara: Pioneering Innovations in Polyamide Resins

Introduction

Osamu Kiyohara is a notable inventor based in Shizuoka, Japan, known for his significant contributions to the field of materials science, particularly in polyamide resins. With an impressive portfolio comprising six patents, Kiyohara has established himself as a key figure in innovation-driven industries.

Latest Patents

Among his latest inventions is a unique polyamide resin capable of dissolving in alcohol solvents. This composition features polyamide-hydrogenated polybutadiene-acrylonitrile copolymers, which offer high solubility in organic solvents, exceptional compatibility with other polymers, and outstanding thermal resistance. Kiyohara's technical approach emphasizes the characteristics of block units represented by specified formulas, ensuring versatility and effectiveness in various applications.

Career Highlights

Throughout his career, Osamu Kiyohara has contributed his expertise to various companies, most notably at Tomoegawa Paper Co., Inc. His innovative ideas and dedication to materials development have significantly advanced the understanding and application of polyamide resins in different industries.

Collaborations

Kiyohara has collaborated with esteemed colleagues, including Toshio Tagami and Mitsukazu Ochi. Their combined efforts have fostered a creative environment that encourages the expansion of knowledge and innovation in the field of materials science.

Conclusion

Osamu Kiyohara's pioneering work in the development of advanced polyamide resins highlights his role as an influential inventor. His contributions continue to impact various sectors, demonstrating the importance of innovation in material design and engineering.

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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