Minoo, Japan

Tetuo Okaniwa

This inventor holds 2 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetuo Okaniwa. Retrieved from https://idiyas.com/inventor/tetuo-okaniwa

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1976

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2 patents (USPTO):Explore Patents

Title: The Innovations of Tetuo Okaniwa

Introduction

Tetuo Okaniwa is a notable inventor based in Minoo, Japan. He has made significant contributions to the field of dyeing processes for polyester fibers. With a total of 2 patents, his work has advanced the methods used in textile manufacturing.

Latest Patents

Okaniwa's latest patents include a process for dyeing acid-modified polyester fibers. This innovative method involves contacting the fibers with a dye bath containing a thiazoleazo-type cationic dye. The dye formula allows for the fibers to achieve a bright blue shade with excellent light fastness. Another patent focuses on black dyeing of acid-modified polyester fibers, specifically 'Dacron T-64' fibers. This process utilizes a combination of four different dyes to achieve a rich black color.

Career Highlights

Throughout his career, Okaniwa has been associated with Sumitomo Chemical Company, Limited. His work has been instrumental in enhancing the quality and durability of dyed polyester fibers. His innovative approaches have set new standards in the textile industry.

Collaborations

Okaniwa has collaborated with notable coworkers such as Sadaharu Abeta and Seizo Konishi. Their combined expertise has contributed to the successful development of advanced dyeing techniques.

Conclusion

Tetuo Okaniwa's contributions to the field of dyeing processes for polyester fibers have made a lasting impact. His innovative patents and collaborations reflect his dedication to advancing textile technology.

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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