Osaka, Japan

Seiichirou Hayakawa

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignee: The Nippon Synthetic Chemical Industry Co., Ltd.. Active years: 2010-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichirou Hayakawa. Retrieved from https://idiyas.com/inventor/seiichirou-hayakawa

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 3.8

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2010-2015

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3 patents (USPTO):Explore Patents

Title: Seiichirou Hayakawa: Innovator in Polyvinyl Alcohol and Lithium Battery Technologies

Introduction

Seiichirou Hayakawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the fields of materials science and battery technology. With a total of 3 patents, his work focuses on innovative solutions that enhance the performance of various materials.

Latest Patents

Hayakawa's latest patents include a polyvinyl alcohol film and a polarizing film and polarizing plate using the same. This invention provides a polyvinyl alcohol film that has a width of 3 meters or more, an in-plane retardation value of 30 nm or less, and a fluctuation of in-plane retardation value of 15 nm or less. Additionally, he has developed a novel electrolyte material for lithium secondary batteries, which contains a lithium salt comprising specific components. This innovative electrolyte is designed to improve the efficiency and performance of lithium secondary batteries.

Career Highlights

Seiichirou Hayakawa is associated with The Nippon Synthetic Chemical Industry Co., Ltd., where he has been instrumental in advancing research and development in synthetic materials. His expertise in polymer science and battery technology has positioned him as a key figure in his field.

Collaborations

Hayakawa has collaborated with notable colleagues, including Akihiko Chigami and Syuichi Kitamura. Their combined efforts have led to advancements in the development of new materials and technologies.

Conclusion

Seiichirou Hayakawa's innovative work in polyvinyl alcohol films and lithium battery technologies showcases his commitment to advancing material science. His contributions continue to impact various industries, making him a significant figure in the realm of inventions.

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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