Kanagawa, Japan

Takeshi Fujisawa

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Asahi Kasei Chemicals Corporation, Asahi Kasei Kabushiki Kaisha. Active years: 2003-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Fujisawa. Retrieved from https://idiyas.com/inventor/takeshi-fujisawa

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 = 2.8

ph-index = 1

Forward Citations = 6(Granted Patents)


Location History:

  • Kanagawa, JP (2003 - 2009)
  • Tokyo, JP (2014 - 2015)

Company Filing History:


Years Active: 2003-2015

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5 patents (USPTO):Explore Patents

Title: Takeshi Fujisawa: Innovator in Flame Retardant Materials and Automotive Components

Introduction

Takeshi Fujisawa, an esteemed inventor based in Kanagawa, Japan, has made significant contributions to the fields of materials science and automotive engineering. With a portfolio of five patents, Fujisawa is recognized for his innovative solutions that enhance product functionality and safety.

Latest Patents

Fujisawa's most recent patents showcase his commitment to developing advanced materials. One notable invention is the **expandable beads having flame retardancy of V-0 or V-1**, which provides a safer alternative for various applications. These beads have an average particle size of 0.5 to 10 mm and a density of 0.033 to 0.80 g/cc. They have been rigorously tested according to UL-94 standards, ensuring superior flame retardant properties.

Another significant patent is the **automotive lamp extension molding**, which addresses the challenges of creating lightweight and durable components. This molding is crafted from a resin composition that maintains a low specific gravity while achieving an excellent balance of heat resistance, fluidity, gloss, and brightness. The resin composition includes 50 to 95 mass % of polyphenylene ether, with specific density and viscosity requirements to enhance performance.

Career Highlights

Fujisawa has lent his expertise to leading organizations such as Asahi Kasei Chemicals Corporation and Asahi Kasei Kabushiki Kaisha. His work with these companies has driven forward innovative projects that combine scientific advancement with practical applications in the industry.

Collaborations

Throughout his career, Fujisawa has collaborated with notable colleagues, including Kazuo Yoshida and Matsuyoshi Nakagawa. These collaborations have enriched his research and have played a vital role in his successful patent applications, leading to groundbreaking developments.

Conclusion

Through his innovative work in expandable materials and automotive components, Takeshi Fujisawa exemplifies the spirit of invention that propels industries forward. His commitment to safety and functionality continues to make a lasting impact, reflected in his valuable patents that serve as a foundation for future developments in his field.

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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