Osaka, Japan

Midori Asai

This inventor holds 1 USPTO granted patent. Top assignee: The Nippon Synthetic Chemical Industry Co., Ltd.. Active years: 2016.

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

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 = 2.0

ph-index = 1


Company Filing History:


Years Active: 2016

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

Title: Midori Asai: Patent Inventor in Drilling Fluid Technology.

Introduction

Midori Asai is an inventor associated with Osaka, Japan, and The Nippon Synthetic Chemical Industry Co., Ltd. Her patent work concerns materials designed to improve drilling fluid performance.

Latest Patents

Asai is named on one patent, titled “Drilling Fluid Additive.” The invention describes a drilling fluid additive containing a specific cation-modified PVA-based resin, as well as drilling fluid containing that additive. It is designed to reduce hydration swelling in inorganic clay minerals such as bentonite and help form a thin, tough mud wall on the stratum during drilling operations. The record lists 1 patent.

Career Highlights

Asai’s documented patent contribution focuses on applying polymer-based materials to drilling fluids. The invention addresses clay swelling and mud-wall formation, two considerations in drilling operations.

Collaborations

The patent information identifies Masahiro Saito as Asai’s coworker. The available details do not specify the nature of their collaboration.

Conclusion

Midori Asai’s listed patent reflects work on a PVA-based drilling fluid additive intended to support drilling performance by controlling clay swelling and forming a durable mud wall.

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…