Chiba, Japan

Yasuyoshi Sawaguri

This inventor holds 3 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1976-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyoshi Sawaguri. Retrieved from https://idiyas.com/inventor/yasuyoshi-sawaguri

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 = 2.8

ph-index = 3

Forward Citations = 28(Granted Patents)


Location History:

  • Toyonaka, JA (1976)
  • Chiba, JP (1993 - 1999)

Company Filing History:


Years Active: 1976-1999

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3 patents (USPTO):Explore Patents

Title: Yasuyoshi Sawaguri: Innovator in Hydrogen Peroxide Purification

Introduction

Yasuyoshi Sawaguri is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of hydrogen peroxide purification, holding a total of 3 patents. His work is particularly relevant to the electronics industry, where purity of chemicals is crucial.

Latest Patents

Sawaguri's latest patents include an "Apparatus and method for removing impurities from aqueous hydrogen" and "Purification of hydrogen peroxide solution." The first patent describes a method for treating aqueous hydrogen peroxide through reverse osmosis and ion exchange processes. This results in ultra-pure hydrogen peroxide suitable for electronics applications. The second patent outlines a process for purifying hydrogen peroxide solutions containing anionic impurities, utilizing an anion exchange resin while maintaining the solution's stability.

Career Highlights

Yasuyoshi Sawaguri is currently employed at Sumitomo Chemical Company, Limited. His work at this esteemed company has allowed him to focus on innovative solutions for chemical purification, contributing to advancements in the industry.

Collaborations

Sawaguri has collaborated with notable colleagues such as Masaaki Ohkawa and Yoji Matsuda. These partnerships have fostered a collaborative environment that enhances the development of new technologies.

Conclusion

Yasuyoshi Sawaguri's contributions to hydrogen peroxide purification demonstrate his commitment to innovation in the chemical industry. His patents reflect a deep understanding of the complexities involved in chemical processing, making him a valuable asset to his field.

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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