Tokyo, Japan

Fumihiko Yamaguchi

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignees: Asahi Kasei Kabushiki Kaisha, Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1999-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumihiko Yamaguchi. Retrieved from https://idiyas.com/inventor/fumihiko-yamaguchi-hm930g0y

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 33.3

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Shizuoka-ken, JP (1999)
  • Tokyo, JP (2014 - 2016)

Company Filing History:


Years Active: 1999-2016

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3 patents (USPTO):Explore Patents

Title: Fumihiko Yamaguchi: Innovator in Carbon Dioxide Absorption and Immunoglobulin Separation

Introduction

Fumihiko Yamaguchi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of carbon dioxide absorption and immunoglobulin separation. With a total of three patents to his name, Yamaguchi's work is recognized for its innovative approaches to solving complex problems.

Latest Patents

Yamaguchi's latest patents include a carbon dioxide absorber and a method for separating immunoglobulin monomers. The carbon dioxide absorber is designed to efficiently and stably remove carbon dioxide from gases or solutions. It contains an amine compound, a weakly acidic compound, and water, with specific pKb and pKa values that enhance its effectiveness. The second patent focuses on a method for accurately separating immunoglobulin monomers from aggregates using cross-flow filtration with an ultrafiltration membrane. This method allows for high permeability and effective fractionation of immunoglobulin monomers.

Career Highlights

Throughout his career, Yamaguchi has worked with prominent companies such as Asahi Kasei Corporation and Asahi Kasei Kogyo Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions in his field.

Collaborations

Yamaguchi has collaborated with notable coworkers, including Hitoshi Mizomoto and Shinya Hamasaki. Their combined efforts have led to advancements in the technologies they have worked on together.

Conclusion

Fumihiko Yamaguchi's contributions to innovation in carbon dioxide absorption and immunoglobulin separation highlight his role as a leading inventor in his field. His patents reflect a commitment to addressing critical challenges through inventive solutions.

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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