Kanagawa, Japan

Masumi Hisatomi

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masumi Hisatomi. Retrieved from https://idiyas.com/inventor/masumi-hisatomi

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 1991

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Masumi Hisatomi: Innovator in Rotary Magnetic Head Technology

Introduction

Masumi Hisatomi is a notable inventor based in Kanagawa, Japan. She has made significant contributions to the field of magnetic head technology, particularly through her innovative designs that enhance performance and reduce interference.

Latest Patents

Masumi Hisatomi holds a patent for a rotary magnetic head device that features two different kinds of heads. This device utilizes a thin film magnetic head or heads that have minimal mutual influence from external magnetic fields, combined with a bulk magnetic head or heads. This innovative design aims to reduce crosstalk between the recording head and the reproducing head, thereby improving the signal-to-noise (S/N) ratio.

Career Highlights

Masumi Hisatomi is associated with Hitachi, Ltd., a leading company in technology and innovation. Her work has been instrumental in advancing the capabilities of magnetic recording devices, showcasing her expertise and commitment to her field.

Collaborations

Throughout her career, Masumi has collaborated with esteemed colleagues such as Toshio Tsuchiya and Mitsuo Abe. These partnerships have contributed to the development of cutting-edge technologies in the industry.

Conclusion

Masumi Hisatomi's contributions to rotary magnetic head technology exemplify her innovative spirit and dedication to enhancing electronic devices. Her work continues to influence advancements in the field, making her a significant figure in the world of inventions.

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]
Loading…