Kusatsu, Japan

Zenzi Hagiwara

This inventor holds 3 USPTO granted patents. Top assignees: Osaka Oxygen Industries, Ltd., Osaka Oxygen Ind Ltd., Shin-Etsu Chemical Co., Ltd.. Active years: 1980-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zenzi Hagiwara. Retrieved from https://idiyas.com/inventor/zenzi-hagiwara

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 = 3.3

ph-index = 3

Forward Citations = 66(Granted Patents)


Company Filing History:


Years Active: 1980-1985

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3 patents (USPTO):Explore Patents

Title: Zenzi Hagiwara: Innovator in Oxygen Extraction Technologies

Introduction

Zenzi Hagiwara is a prominent inventor based in Kusatsu, Japan. She has made significant contributions to the field of gas separation technologies, particularly in the extraction of highly purified oxygen. With a total of 3 patents to her name, Hagiwara's work has the potential to impact various industries, including healthcare and environmental management.

Latest Patents

Hagiwara's latest patents showcase her innovative approach to gas separation. One of her notable inventions is a process for the extraction of highly purified oxygen. This process involves separating oxygen that is more than 90% pure from a raw material gas, such as air, which contains both oxygen and nitrogen. The method utilizes at least two adsorption zones, each equipped with a bed of an adsorbing agent capable of selectively adsorbing nitrogen. Another significant patent is her process for removing ozone from an ozone-containing gas. This process involves treating the gas with a molded product created through specific steps designed to effectively eliminate ozone.

Career Highlights

Throughout her career, Zenzi Hagiwara has worked with reputable companies, including Osaka Oxygen Industries, Ltd. and Osaka Oxygen Ind Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to advancements in gas separation technologies.

Collaborations

Hagiwara has collaborated with notable colleagues in her field, including Tatuo Yamamoto and Hiroshi Kurozumi. These partnerships have fostered innovation and have been instrumental in the development of her patented processes.

Conclusion

Zenzi Hagiwara is a trailblazer in the field of gas separation, with her patents reflecting her commitment to innovation. Her work not only advances technology but also holds promise for various applications in industry and environmental protection.

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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