Sakai, Japan

Tohru Takaoka

This inventor holds 3 USPTO granted patents. Top assignees: Grand Polymer Co., Ltd., Mitsui Chemicals, Inc.. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tohru Takaoka. Retrieved from https://idiyas.com/inventor/tohru-takaoka

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 = 4.5

ph-index = 3

Forward Citations = 140(Granted Patents)


Location History:

  • Ichihara, JP (2001)
  • Sakai, JP (2002 - 2004)

Company Filing History:


Years Active: 2001-2004

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3 patents (USPTO):Explore Patents

Title: Tohru Takaoka: Innovator in Resin Composition

Introduction

Tohru Takaoka is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of resin compositions, holding a total of 3 patents. His work focuses on innovative materials that enhance the properties and applications of polypropylene.

Latest Patents

One of Takaoka's latest patents is a resin composition based on crystalline polypropylene. This invention provides a unique formulation that includes a component soluble in paraxylene at 23°C, a component soluble in paraxylene at 135°C and insoluble at 23°C, and a component insoluble in paraxylene at 135°C. The elastomeric constituent in the formulation has a styrene content ranging from 0-35% by weight and an intrinsic viscosity between 0.1-5 dl/g. The crystalline polypropylene constituent boasts an isotactic pentad proportion of 97% or higher, with specific molecular weight distributions that enhance its performance.

Career Highlights

Throughout his career, Tohru Takaoka has worked with prominent companies such as Grand Polymer Co., Ltd. and Mitsui Chemicals, Inc. His expertise in resin technology has positioned him as a key player in the industry, contributing to advancements in material science.

Collaborations

Takaoka has collaborated with notable coworkers, including Mikio Hashimoto and Ikunori Sakai. These partnerships have fostered innovation and development in the field of resin compositions.

Conclusion

Tohru Takaoka's contributions to resin technology and his innovative patents reflect his dedication to advancing material science. His work continues to influence the industry and inspire future innovations.

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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