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For the Inventor, By the Inventor

Yokohama, Japan

Atsushi Misumi

This inventor holds 4 USPTO granted patents. Top assignee: Nhk Spring Co., Ltd.. Active years: 1981-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Misumi. Retrieved from https://idiyas.com/inventor/atsushi-misumi

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 42(Granted Patents)


Company Filing History:

goldMedal4 out of 1,234 
 
Nhk Spring Co., Ltd.
 patents

Years Active: 1981-1990

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4 patents (USPTO):Explore Patents
1. 4944992 - Cushion (1990-07-31),
2. 4753835 - FRP plate and process for manufacturing the same (1988-06-28),
3. 4530490 - Fiber-reinforced plastics leaf spring (1985-07-23),
4. 4287969 - Motion snubbing device (1981-09-08),

Title: Atsushi Misumi: Innovator in Cushion and FRP Plate Technologies

Introduction

Atsushi Misumi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the fields of cushioning materials and fiber-reinforced plastic (FRP) technologies. With a total of 4 patents to his name, Misumi continues to push the boundaries of innovation in his industry.

Latest Patents

One of his latest patents is a unique cushion that utilizes synthetic cotton formed of curled polyester fibers. This innovative cushion features a mixture of first and second fibers with different thicknesses, which are three-dimensionally intertwined to create air-passing spaces. The first fibers have a denier value of 20 or more, while the second fibers have a denier value of less than 20. The fibers are mixed in a weight ratio of 0.5 to 2:1, and they are bound at their intersections using a polyurethane binder to maintain the air-passing space.

Another significant patent by Misumi is related to an FRP plate and the process for manufacturing it. This invention includes a protective layer of resin formed on the outer surface of an FRP base, which consists of reinforcing fibers impregnated with a cured matrix resin. The manufacturing process involves applying resin to the inner surface of a mold to create the FRP plate.

Career Highlights

Atsushi Misumi is currently employed at Nhk Spring Co., Ltd., where he continues to develop innovative solutions in his field. His work has garnered attention for its practical applications and advancements in material technology.

Collaborations

Misumi has collaborated with notable coworkers such as Shuji Hiromoto and Yasuo Yoneshige. Their combined expertise contributes to the innovative projects at Nhk Spring Co., Ltd.

Conclusion

Atsushi Misumi is a prominent inventor whose work in cushioning and FRP technologies showcases his commitment to innovation. His patents reflect a deep understanding of materials and their applications, making him a valuable asset in the field of 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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