Kitakyushu, Japan

Takao Tayama

This inventor holds 8 USPTO granted patents and 2 EPO patents. Top assignees: Mitsubishi Chemical Corporation, Mitsubishi Engineering-Plastics Corporation. Active years: 1995-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Tayama. Retrieved from https://idiyas.com/inventor/takao-tayama

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 = 3.7

ph-index = 2

Forward Citations = 45(Granted Patents)


Location History:

  • Machida, JP (1995 - 1996)
  • Fukuoka, JP (2005 - 2006)
  • Kitakyushu, JP (2004 - 2009)

Company Filing History:


Years Active: 1995-2009

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8 patents (USPTO):Explore Patents

Title: Takao Tayama: Innovator in Polycarbonate Resin Technology

Introduction

Takao Tayama is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of polycarbonate resin technology, holding a total of 8 patents. His work focuses on enhancing the properties and applications of aromatic polycarbonate resins.

Latest Patents

Tayama's latest patents include a colored aromatic polycarbonate resin composition and a process for producing the same. This innovation involves dispersing a colorant selected from phthalocyanine-based compounds, anthraquinone-based compounds, and ultramarine blue in a polyalkyleneglycol compound. The resulting dispersion is added to an aromatic polycarbonate resin kept in a molten state, which significantly improves the color and properties of the resin. Another notable patent is for a branched aromatic polycarbonate, which excels in hue and melt properties, achieved through a transesterification process.

Career Highlights

Throughout his career, Takao Tayama has worked with leading companies in the industry, including Mitsubishi Chemical Corporation and Mitsubishi Engineering-Plastics Corporation. His expertise in polycarbonate technology has positioned him as a key figure in the development of advanced materials.

Collaborations

Tayama has collaborated with notable colleagues such as Masaaki Miyamoto and Tatsuya Masuki. Their combined efforts have contributed to the advancement of polycarbonate resin applications.

Conclusion

Takao Tayama's innovative work in polycarbonate resin technology has led to significant advancements in the field. His patents reflect a commitment to improving material properties and expanding their 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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