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For the Inventor, By the Inventor

Okayama, Japan

Tomohiro Hayakawa

USPTO Granted Patents = 16 

 

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 86(Granted Patents)


Location History:

  • Kurashiki, JP (2020 - 2021)
  • Okayama, JP (2011 - 2024)

Company Filing History:

goldMedal16 out of 1,868 
 
Kuraray Co., Ltd.
 patents

Years Active: 2011-2024

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16 patents (USPTO):Explore Patents
1. 11936067 - Alkaline battery separator and method for producing same (2024-03-19),
2. 11450922 - Separator, and separator for alkaline manganese dry battery comprising same (2022-09-20),
3. 11053610 - Readily fibrillative polyvinyl alcohol fiber and method for manufacturing same (2021-07-06),
4. 10533287 - Dispersant for carbon fibers, carbon fiber dispersion composition, and method for manufacturing carbon fiber sheet (2020-01-14),
5. 10461294 - Separator for alkaline batteries, and alkaline battery using same (2019-10-29),
6. 10446820 - Alkaline battery separator (2019-10-15),
7. 10106923 - Extra-fine fiber sheet (2018-10-23),
8. 10020124 - Separator for electric double layer capacitors, and electric double layer capacitor (2018-07-10),
9. 9748543 - Separator for nonaqueous cell and nonaqueous cell (2017-08-29),
10. 9343721 - Separator for non-aqueous batteries and non-aqueous battery equipped with same, and process for manufacturing separator for non-aqueous batteries (2016-05-17),
11. 9142816 - Alkaline battery separator and alkaline battery using separator (2015-09-22),
12. 8865336 - Separator for alkaline battery, method for producing the same, and battery (2014-10-21),
13. 8802271 - Separator for non-aqueous batteries, non-aqueous battery using same, and production method for separator for non-aqueous batteries (2014-08-12),
14. 8477480 - Laminate, separator for capacitor, and capacitor (2013-07-02),
15. 7985473 - Resinous-substance-impregnated planar paper and adhesive tape using the same (2011-07-26),

Title: Tomohiro Hayakawa: Innovator in Alkaline Battery Technology

Introduction

Tomohiro Hayakawa is a prominent inventor based in Okayama, Japan. He has made significant contributions to the field of alkaline battery technology, holding a total of 16 patents. His innovative work focuses on improving the efficiency and performance of battery separators.

Latest Patents

Hayakawa's latest patents include advancements in alkaline battery separators. One notable invention is an alkaline battery separator that features an alkali-resistant fiber and a binder. This separator is designed with two distinct surfaces: surface A, which is smoother, and surface B, which is rougher. The separator's composition includes a binder amounting to 5 to 20% by mass based on the total mass of the separator. Additionally, the separator's surface roughness is carefully calibrated to enhance performance. Another significant patent involves a separator for alkaline manganese dry batteries, which combines optimal air permeability with improved uniformity, ensuring high prevention of internal short circuits.

Career Highlights

Hayakawa is currently employed at Kuraray Co., Ltd., where he continues to develop innovative solutions in battery technology. His work has been instrumental in advancing the capabilities of alkaline batteries, making them more efficient and reliable.

Collaborations

Throughout his career, Hayakawa has collaborated with notable colleagues, including Hiroyuki Kawai and Hideo Hayashi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tomohiro Hayakawa's contributions to alkaline battery technology exemplify his dedication to innovation. His patents reflect a commitment to enhancing battery performance and efficiency. His work continues to influence the industry and pave the way for future advancements in energy storage solutions.

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