Iruma, Japan

Hanji Oana

This inventor holds 1 USPTO granted patent. Top assignee: Abc Trading Co., Ltd.. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hanji Oana. Retrieved from https://idiyas.com/inventor/hanji-oana

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 = 8(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Hanji Oana - Innovator in Heat Exchange Technology

Introduction

Hanji Oana is a prominent inventor based in Iruma, Japan. She has made significant contributions to the field of heat exchange technology. Her innovative approach has led to the development of a unique rotary-type counter-current heat exchanger.

Latest Patents

Hanji Oana holds 1 patent for her invention of a rotary-type counter-current heat exchanger. This heat exchanging element features a gathering member composed of natural fiber, particularly coconut fiber. The design includes a casing, a rotary frame that is rotatably supported, a shaft, a pair of rotor rims, and a plurality of rotor spokes, all of which work together to enhance heat exchange efficiency.

Career Highlights

Oana has established herself as a key figure in her field through her innovative designs and practical applications. Her work at Abc Trading Co., Ltd. has allowed her to further develop her ideas and bring them to market.

Collaborations

Throughout her career, Hanji has collaborated with notable colleagues, including Hiroshi Watanabe and Ryushi Aoyama. These partnerships have contributed to her success and the advancement of her projects.

Conclusion

Hanji Oana's contributions to heat exchange technology exemplify her innovative spirit and dedication to her field. Her work continues to influence the industry and inspire future advancements.

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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