Shigenao Kuwahara

This inventor holds 6 USPTO granted patents, plus 2 CIPO patents and 5 EPO patents. Top assignees: Kuraray Co., Ltd., Amyris, Inc.. Active years: 2012-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigenao Kuwahara. Retrieved from https://idiyas.com/inventor/shigenao-kuwahara

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

CIPO Patents = 2

EPO Patents = 5 (Patent Applications = 5)

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 9(Granted Patents)

Location History:

Ibaraki, JP (2012 - 2015)
Kamisu, JP (2014 - 2017)

Company Filing History:

where one patent can have more than one assignee

Years Active: 2012-2017

Loading Chart...

6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9534111 - Rubber composition and tire (2017-01-03),

2. 9056976 - Thermoplastic polymer composition and moldings thereof (2015-06-16),

3. 8912269 - Rubber composition and tire (2014-12-16),

4. 8785542 - Rubber composition and tire (2014-07-22),

5. 8592018 - Tube and medical device using same (2013-11-26),

6. 8192814 - Tube and medical device comprising the same (2012-06-05),

Title: Shigenao Kuwahara: Innovator in Rubber and Polymer Technologies

Introduction

Shigenao Kuwahara is a prominent inventor based in Kamisu, Japan. He has made significant contributions to the fields of rubber and polymer technologies. With a total of 6 patents, his work has had a considerable impact on various industries.

Latest Patents

Kuwahara's latest patents include innovative advancements in rubber compositions and thermoplastic polymer compositions. One of his notable inventions is a rubber composition that includes a synthetic or natural rubber component, a polymer of farnesene, and carbon black with a specific particle size. This composition is designed to enhance the performance of tires. Another significant patent involves a thermoplastic polymer composition that combines a hydrogenated block copolymer mixture, polyvinyl acetal, and thermoplastic elastomer. This invention aims to improve the properties of moldings made from the composition.

Career Highlights

Throughout his career, Shigenao Kuwahara has worked with reputable companies such as Kuraray Co., Ltd. and Amyris, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in rubber and polymer technologies.

Collaborations

Kuwahara has collaborated with notable coworkers, including Kei Hirata and Daisuke Koda. These partnerships have contributed to the successful development of his inventions.

Conclusion

Shigenao Kuwahara's contributions to rubber and polymer technologies through his patents demonstrate his innovative spirit and dedication to advancing these fields. His work continues to influence the industry and inspire future innovations.

Profile summary based on public USPTO records.