Osaka, Japan

Kei Ohkubo

This inventor holds 8 USPTO granted patents and 5 published patent applications and 4 EPO patents. Top assignees: Osaka University, Earth Corporation, Acenet Inc.. Active years: 2004-2025.

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

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 75.0

 

Average Co-Inventor Count = 3.1

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Ibaraki, JP (2004)
  • Suita, JP (2011)
  • Osaka, JP (2021 - 2023)

Company Filing History:


Years Active: 2004-2025

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8 patents (USPTO):Explore Patents

Title: Kei Ohkubo: Innovator in Lens and Carbon Allotrope Technologies

Introduction

Kei Ohkubo is a prominent inventor based in Osaka, Japan. He has made significant contributions to the fields of lens production and carbon allotrope technologies. With a total of 8 patents to his name, Ohkubo's work is characterized by innovative methods that enhance the functionality and efficiency of various materials.

Latest Patents

Ohkubo's latest patents include a method for producing a lens to be fitted to the eye. This invention provides a new approach to lens production that is both simple and cost-effective. The method involves hydrophilizing the surface of a polymer lens by reacting it with a compound radical, which contains elements from Groups 15, 16, and 17 of the periodic table. Another notable patent focuses on producing a substance with a modified carbon allotrope surface. This method aims to suppress uneven distribution and orientation of structural analysis target substances in cryo-electron microscopy. Additionally, he has developed methods for producing grids for cryo-electron microscopy and organic substances.

Career Highlights

Throughout his career, Kei Ohkubo has worked with esteemed institutions such as Osaka University and Earth Corporation. His innovative approaches have garnered attention in the scientific community, leading to advancements in both lens technology and carbon allotrope applications.

Collaborations

Ohkubo has collaborated with notable colleagues, including Tsuyoshi Inoue and Haruyasu Asahara. These partnerships have contributed to the development of his groundbreaking inventions and have fostered a collaborative environment for innovation.

Conclusion

Kei Ohkubo's contributions to lens production and carbon allotrope technologies highlight his role as a leading inventor in these fields. His innovative methods and collaborations continue to influence advancements in material science and 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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