Tokyo, Japan

Midori Umehara

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignee: Daicel Corporation. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Midori Umehara. Retrieved from https://idiyas.com/inventor/midori-umehara

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 6.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: Midori Umehara: Innovator in 1,3-Butylene Glycol Products

Introduction

Midori Umehara is a notable inventor based in Tokyo, Japan. She has made significant contributions to the field of chemical engineering, particularly in the development of high-purity 1,3-butylene glycol products. Her innovative work has garnered attention for its potential applications in various industries.

Latest Patents

Umehara holds a patent for a high-purity 1,3-butylene glycol product. This product is characterized by being colorless and odorless, with a unique stability that prevents color changes and acid concentration increases over time when in a water-containing state. According to gas chromatographic analysis, the product exhibits a peak ratio of 2000 ppm or lower in a relative retention time ranging from 1.6 to 1.8, with the peak of 1,3-butylene glycol having a relative retention time of 1.0.

Career Highlights

Midori Umehara is currently employed at Daicel Corporation, where she continues to innovate and develop new chemical products. Her work at Daicel has positioned her as a key player in the field of chemical manufacturing.

Collaborations

Umehara collaborates with Tetsuro Nakanishi, a fellow researcher at Daicel Corporation. Their partnership has led to advancements in the development of chemical products, enhancing the company's research capabilities.

Conclusion

Midori Umehara's contributions to the field of chemical engineering, particularly through her patent on 1,3-butylene glycol products, highlight her innovative spirit and dedication to advancing technology. Her work continues to impact the industry positively.

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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