Omuta, Japan

Kazuyoshi Tsuruta

This inventor holds 3 USPTO granted patents. Top assignee: Denki Kagaku Kogyo Kabushiki Kaisha. Active years: 1999-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyoshi Tsuruta. Retrieved from https://idiyas.com/inventor/kazuyoshi-tsuruta

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 = 3.3

ph-index = 2

Forward Citations = 37(Granted Patents)


Location History:

  • Omuta, JP (1999 - 2000)
  • Fukuoka, JP (2002)

Company Filing History:


Years Active: 1999-2002

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3 patents (USPTO):Explore Patents

Title: Kazuyoshi Tsuruta: Innovator in Carbon Black Technology

Introduction

Kazuyoshi Tsuruta is a notable inventor based in Omuta, Japan. He has made significant contributions to the field of carbon black technology, holding a total of 3 patents. His work has implications in various applications, showcasing his expertise and innovative spirit.

Latest Patents

Tsuruta's latest patents include a method for preparing carbon black that has boron solid-solubilized therein. This carbon black exhibits an electrical resistivity of not higher than 0.1 Ωcm, as measured in accordance with JIS K1469. Another significant patent involves granulated acetylene black, which has a bead strength of at least 5 g/grain, a bulk density of at least 0.2 g/cm³, and a grit content of at most 10 ppm. These innovations highlight his commitment to advancing material science.

Career Highlights

Kazuyoshi Tsuruta is associated with Denki Kagaku Kogyo Kabushiki Kaisha, where he continues to develop and refine his inventions. His work has not only contributed to the company's portfolio but has also positioned him as a key player in the industry.

Collaborations

Throughout his career, Tsuruta has collaborated with esteemed colleagues such as Yoshiteru Yamazaki and Mitsuyoshi Noguchi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Kazuyoshi Tsuruta's contributions to carbon black technology and his innovative patents underscore his role as a leading inventor in his field. His work continues to influence advancements in material science and related applications.

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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