Tokyo, Japan

Kayo Hasegawa

This inventor holds 5 USPTO granted patents. Top assignees: Nkk Corporation, Dai Nippon Printing Co., Ltd., Kyodo Printing Co., Ltd.. Active years: 1998-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kayo Hasegawa. Retrieved from https://idiyas.com/inventor/kayo-hasegawa

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 = 7.7

ph-index = 2

Forward Citations = 15(Granted Patents)


Location History:

  • Tokyo-To, JP (1999)
  • Tokyo, JP (1998 - 2002)

Company Filing History:


Years Active: 1998-2002

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5 patents (USPTO):Explore Patents

Title: Kayo Hasegawa: Innovator in Oil Well Technology

Introduction

Kayo Hasegawa is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of engineering, particularly in the development of innovative materials and technologies for oil well applications. With a total of 5 patents to her name, Hasegawa continues to push the boundaries of what is possible in her field.

Latest Patents

One of Hasegawa's latest inventions is an oil well pipe designed to resist fracturing caused by ground subsidence. This invention features a sliding layer on the outside of the oil well pipe, which reduces the frictional force acting on it. The sliding layer is constructed from a material and thickness that ensures the residual negative frictional force remains at or below 2×10 N/m after one year of deformation at the operating temperature of the oil well pipe. Additionally, her work on a polyethylene-2,6-naphthalate film has resulted in a product that exhibits specific stretch ratios and thickness, enhancing its utility in various applications.

Career Highlights

Throughout her career, Hasegawa has worked with notable companies such as NKK Corporation and Dai Nippon Printing Co., Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to groundbreaking projects in the engineering sector.

Collaborations

Hasegawa has collaborated with esteemed colleagues, including Shinichiro Mori and Yasuhiro Harada. These partnerships have fostered an environment of innovation and creativity, leading to the development of advanced technologies.

Conclusion

Kayo Hasegawa is a trailblazer in the field of engineering, with a focus on oil well technology and innovative materials. Her contributions have not only advanced her field but have also set a standard for future inventors.

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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