Otake, Japan

Takahiko Kunisawa

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 2007-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiko Kunisawa. Retrieved from https://idiyas.com/inventor/takahiko-kunisawa

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

USPTO Granted Patents = 2 

% Patents Active = 100.0


Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Hiroshima, JP (2007)
  • Otake, JP (2011)

Company Filing History:


Years Active: 2007-2011

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2 patents (USPTO):Explore Patents

Title: The Innovations of Takahiko Kunisawa

Introduction

Takahiko Kunisawa is a prominent inventor based in Otake, Japan. He has made significant contributions to the field of carbon fiber technology, holding 2 patents that showcase his innovative approach to production methods and devices.

Latest Patents

His latest patents include a carbon fiber precursor fiber bundle, along with its production method and device. This invention allows for the easy bundling of multiple small tows into one bundle, featuring a unique capability to spontaneously divide into the original small tows during the firing process. This innovation is designed to enhance productivity and quality in carbon fiber production. Additionally, he has developed a production apparatus that includes an intermingling device with a yarn channel and air jet holes, facilitating efficient processing of precursor fiber bundles. Another notable patent focuses on a production device and method for carbon fibers, which aims to achieve continuous operation and improve the firing process operability, ultimately reducing costs.

Career Highlights

Takahiko Kunisawa is associated with Mitsubishi Rayon Company, Limited, where he has been instrumental in advancing carbon fiber technologies. His work has significantly impacted the efficiency and quality of carbon fiber production.

Collaborations

He has collaborated with notable coworkers, including Atsushi Kawamura and Hiroshi Inagaki, contributing to the development of innovative solutions in the field.

Conclusion

Takahiko Kunisawa's contributions to carbon fiber technology through his patents and work at Mitsubishi Rayon Company, Limited highlight his role as a key innovator in the industry. His inventions are paving the way for advancements in production methods and quality improvements in carbon fiber 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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