Tokyo, Japan

Hisayo Fukai

This inventor holds 2 USPTO granted patents. Top assignees: Oyentos Corporation, Qyentos Corporation, Unico Co., Ltd.. Active years: 1997-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisayo Fukai. Retrieved from https://idiyas.com/inventor/hisayo-fukai

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 = 1.0

ph-index = 2

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1997-1998

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2 patents (USPTO):Explore Patents

Title: Hisayo Fukai: Innovator in Photosensitive Technology

Introduction

Hisayo Fukai is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of photosensitive technology, holding 2 patents that showcase her innovative spirit and technical expertise.

Latest Patents

Fukai's latest patents include a method for removing a photosensitive layer from a photosensitive drum. This method involves immersing the photosensitive drum in an aqueous composition of water and an organic compound that can dissolve or wet the resin binder of the photosensitive resin in an oil-in-water dispersion. Another notable patent is her method of fixing toner by applying a fixing agent to a substrate containing unfused toner at predetermined positions. This process can be achieved by spraying or dripping the fixing agent onto the substrate or immersing the back surface of the substrate into the fixing agent, allowing it to permeate into the other side of the substrate containing the toner.

Career Highlights

Throughout her career, Hisayo Fukai has worked with various companies, including Qyentos Corporation and Oyentos Corporation. Her work has significantly impacted the development of technologies related to photosensitive materials and their applications.

Collaborations

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Conclusion

Hisayo Fukai's contributions to the field of photosensitive technology through her innovative patents highlight her role as a leading inventor. Her work continues to influence advancements in this specialized area.

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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