Mishima, Japan

Yoichiro Tanaka

This inventor holds 1 USPTO granted patent and 2 EPO patents. Top assignee: Toray Industries, Inc.. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichiro Tanaka. Retrieved from https://idiyas.com/inventor/yoichiro-tanaka-9yfrf6um

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2014

Loading Chart...
Loading Chart...
1 patent (USPTO):Explore Patents

Title: Yoichiro Tanaka: Polyester Polymerization Innovation

Introduction

Yoichiro Tanaka is an inventor associated with Mishima, Japan, and Toray Industries, Inc. His patent work addresses polyester production, with a focus on catalyst performance, product quality, and cleaner molding processes.

Latest Patents

Tanaka is credited with 1 patent: “Polyester Polymerization Catalyst and Method for Producing Polyester Using the Same.” The invention describes a catalyst made by reacting a titanium compound with mannitol at a titanium-to-mannitol molar ratio of 1:1 to 1:3. The catalyst is intended to reduce catalyst-related foreign materials and mold contamination during molding, while enabling polyesters with improved thermal stability and color tone. The patent also describes using this catalyst in a method for producing polyester.

Career Highlights

Tanaka’s listed affiliation is Toray Industries, Inc. His patent reflects work on improving polyester polymerization and the quality of materials produced through the process.

Collaborations

The provided information lists Keisuke Honda and Eri Hatano as Tanaka’s coworkers. It does not specify their roles in the patent or the nature of their collaboration.

Conclusion

Yoichiro Tanaka’s patent focuses on a titanium–mannitol catalyst designed to support cleaner molding and produce polyester with improved thermal stability and color.

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]
Loading…