Otsu, Japan

Katsufumi Oto

This inventor holds 5 USPTO granted patents and 5 published patent applications and 2 EPO patents. Top assignee: Toray Industries, Inc.. Active years: 1987-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsufumi Oto. Retrieved from https://idiyas.com/inventor/katsufumi-oto

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

USPTO Granted Patents = 5 

% Patents Active = 60.0

 

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 80(Granted Patents)


Location History:

  • Shiga, JP (2007)
  • Otsu, JP (1987 - 2016)

Company Filing History:


Years Active: 1987-2016

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5 patents (USPTO):Explore Patents

Title: Innovations of Katsufumi Oto

Introduction

Katsufumi Oto is a notable inventor based in Otsu, Japan. He has made significant contributions to the field of separation membranes, holding a total of five patents. His work focuses on enhancing the efficiency and stability of separation technologies.

Latest Patents

One of his latest patents is a separation membrane element designed to increase the amount of permeate fluid per unit time while improving stability performance. This innovative element comprises a separation membrane and a permeate spacer, with a unique arrangement of materials that optimizes performance. Another significant patent is for a composite semipermeable membrane that balances high solute removal properties with a high permeate flow rate. This membrane features a separating functional polyamide layer that is resistant to organic solvents, showcasing Oto's commitment to advancing membrane technology.

Career Highlights

Katsufumi Oto is currently employed at Toray Industries, Inc., a leading company in advanced materials and technologies. His work at Toray has allowed him to focus on developing cutting-edge solutions in the field of separation membranes.

Collaborations

Oto has collaborated with notable coworkers such as Kazuya Sugita and Hiroki Tomioka. Their combined expertise has contributed to the successful development of innovative membrane technologies.

Conclusion

Katsufumi Oto's contributions to the field of separation membranes highlight his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of material science and engineering, positioning him as a key figure in this industry.

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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