Yamaguchi, Japan

Tetsuo Akazawa

This inventor holds 2 USPTO granted patents. Top assignee: Ube Industries, Inc.. Active years: 1993-2003.

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

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 = 3.0

ph-index = 2

Forward Citations = 35(Granted Patents)


Location History:

  • Hirakata, JP (1993)
  • Yamaguchi, JP (2003)

Company Filing History:


Years Active: 1993-2003

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2 patents (USPTO):Explore Patents

Title: Tetsuo Akazawa: Innovator in Battery Technology

Introduction

Tetsuo Akazawa is a prominent inventor based in Yamaguchi, Japan. He has made significant contributions to the field of battery technology, particularly in the development of advanced battery separators and lithium secondary batteries. With a total of 2 patents to his name, Akazawa continues to push the boundaries of innovation in energy storage solutions.

Latest Patents

Akazawa's latest patents include a battery separator designed for lithium secondary batteries. This innovative separator comprises at least one porous film containing 100 to 40,000 ppm of particles such as silicon dioxide, aluminum oxide, magnesium oxide, zinc oxide, or metal oxides with at least two metal elements from the group of Si, Al, Mg, and Zn. These particles have a mean diameter ranging from 0.1 to 10 µm and are dispersed within a porous resin matrix. Another notable patent is a process for producing a microporous stretched polyolefin film that exhibits breakage resistance. This process involves stretching an unstretched polyolefin film to a predetermined strain amount at a constant temperature, utilizing different strain rates from the initial to the final stage. The resulting microporous polyolefin film can maintain its film state even at or above melting point temperatures when fixed at the periphery.

Career Highlights

Tetsuo Akazawa is currently associated with Ube Industries, Inc., where he applies his expertise in battery technology. His work has been instrumental in advancing the company's capabilities in energy storage solutions.

Collaborations

Throughout his career, Akazawa has collaborated with notable colleagues, including Hiroshi Kurauchi and Takashi Oe. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tetsuo Akazawa is a key figure in the field of battery technology, with a focus on developing advanced materials for energy storage. His contributions through patents and collaborations highlight his commitment to innovation in this critical area.

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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