Iwaki, Japan

Yumi Midorikawa, Heir

This inventor holds 1 USPTO granted patent. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yumi Midorikawa, Heir. Retrieved from https://idiyas.com/inventor/yumi-midorikawa-heir

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 = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1981

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

Title: Yumi Midorikawa, Heir: Patent Inventor in Iwaki, Japan.

Introduction

Yumi Midorikawa, Heir is an inventor associated with Iwaki, Japan, and Kureha Kagaku Kogyo Kabushiki Kaisha. Her recorded patent concerns processing aids for vinyl chloride resin and alkyl methacrylate resin.

Latest Patents

Midorikawa is listed as an inventor on 1 patent: “Vinyl chloride resin and alkyl methacrylate resin processing aid.” The patent describes a vinyl chloride resin composition and its processing aid.

Career Highlights

Her recorded patent work is associated with Kureha Kagaku Kogyo Kabushiki Kaisha, a company involved in chemical materials. The available information identifies her contribution through the patent but does not provide further details about her role or career.

Collaborations

Midorikawa’s listed coworkers include Yo Iizuka and Susumu Midorikawa, who is identified as deceased. The available information does not specify their individual contributions to the patent.

Conclusion

Yumi Midorikawa, Heir’s recorded innovation is a patent concerning resin processing aids, reflecting her association with Kureha Kagaku Kogyo Kabushiki Kaisha and patent activity in Iwaki, Japan.

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…