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For the Inventor, By the Inventor

Kawasaki, Japan

Tetsuo Sakamoto

This inventor holds 4 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Sakamoto. Retrieved from https://idiyas.com/inventor/tetsuo-sakamoto-a6qqpc7y

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.6

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Chiyoda, JP (1990)
  • Kawasaki, JP (1990 - 1992)

Company Filing History:

goldMedal4 out of 3,721 
 
Nippon Steel Corporation
 patents

Years Active: 1990-1992

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4 patents (USPTO):Explore Patents
1. 5116504 - Organic polymer separation membrane having fluorene skeleton and oxygen (1992-05-26),
2. 4975190 - Organic polymer separation membrane having fluorene skeleton and oxygen (1990-12-04),
3. 4968331 - Organic polymer separation membrane having fluorene skeleton and oxygen (1990-11-06),
4. 4906550 - Method of producing polydiacetylene thin film (1990-03-06),

Title: Tetsuo Sakamoto: Innovator in Polymer Separation Membranes

Introduction

Tetsuo Sakamoto is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of polymer separation membranes, holding a total of 4 patents. His work focuses on innovative materials that enhance separation processes, which are crucial in various industrial applications.

Latest Patents

Sakamoto's latest patents include an organic polymer separation membrane featuring a fluorene skeleton and oxygen. This invention consists of a polyamide that incorporates a specific unit or a mixture of polyamides with various units. Additionally, he has developed a polyester-based membrane that also utilizes similar structural units, showcasing his expertise in polymer chemistry.

Career Highlights

Tetsuo Sakamoto is currently employed at Nippon Steel Corporation, where he continues to advance research in polymer technologies. His work has not only contributed to the company's innovation portfolio but has also positioned him as a key figure in the field of materials science.

Collaborations

Throughout his career, Sakamoto has collaborated with notable colleagues, including Masao Sakashita and Bunji Shimomura. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise, further enhancing the quality of their research.

Conclusion

Tetsuo Sakamoto's contributions to the field of polymer separation membranes exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving industrial processes through cutting-edge materials.

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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