Tokyo, Japan

Kei Kobayashi

This inventor holds 17 USPTO granted patents and 28 published patent applications and 9 EPO patents, primarily in Optical Articles. Top assignees: Hoya Lens Thailand Ltd., Zeon Corporation, Oki Data Corporation. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei Kobayashi. Retrieved from https://idiyas.com/inventor/kei-kobayashi

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 64.7

 

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 58(Granted Patents)


Company Filing History:


Years Active: 1996-2026

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Areas of Expertise:
Optical Article
Photochromic Compound
Polymerizable Composition
Secondary Battery
Positive Electrode
Binder Composition
Lithium-Ion Battery
Manufacturing Method
Tobacco Product
Image Forming Apparatus
Fixing Device
Etching Plates
17 patents (USPTO):Explore Patents

Title: Kei Kobayashi: Innovator in Optical and Tobacco Technologies

Introduction

Kei Kobayashi, an accomplished inventor based in Tokyo, Japan, holds an impressive portfolio of 13 patents. His innovative work spans across the fields of optical articles and tobacco-related products, showcasing his expertise and significant contributions to technological advancements.

Latest Patents

Among his latest patents is a polymerizable composition for optical articles, which includes a photochromic compound alongside specific methacrylate components. This innovation aims to enhance the performance and usability of optical products. Additionally, he has developed a method for manufacturing tobacco raw material and oral tobacco products. This method focuses on preserving the green color of the tobacco leaves while deactivating browning enzymes, ensuring a higher quality raw material in the tobacco industry.

Career Highlights

Throughout his career, Kei Kobayashi has made notable contributions while working with prestigious companies such as Zeon Corporation and Oki Data Corporation. His experience in these organizations has equipped him with the skills and insights necessary for leading innovations in his field.

Collaborations

Kobayashi's work has also involved collaboration with industry professionals, including Yasuhiro Wakizaka and Mayumi Fukumine. These partnerships have played a crucial role in the development and realization of his innovative ideas and patents.

Conclusion

Kei Kobayashi's contributions to the fields of optical technology and tobacco manufacturing highlight his role as a significant inventor. His 13 patents reflect a commitment to innovation that continues to influence and advance these industries.

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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