Katsuta, Japan

Masabumi Katsunuma

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Automotive Engineering Co., Ltd., Hitachi, Ltd.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masabumi Katsunuma. Retrieved from https://idiyas.com/inventor/masabumi-katsunuma

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 = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: **Masabumi Katsunuma: Innovator in Magnetic Tape Technology**

Introduction

Masabumi Katsunuma, an innovative inventor from Katsuta, Japan, has made significant contributions to the field of magnetic recording technology. With a keen eye for design improvement, he has developed patentable solutions that enhance the functionality of recording devices.

Latest Patents

Katsunuma holds a notable patent for a **magnetic tape guide mechanism for magnetic recording/reproducing**. This invention features a base with a large inner diameter hole, which is designed to house a resilient synthetic resin member that surrounds the shaft of a tape guide. This mechanism eliminates the need for a horizontally extended threaded hole and the conventional fixing screw, leading to a simplified overall construction. The innovation not only streamlines production processes but also reduces production costs significantly.

Career Highlights

Throughout his career, Masabumi Katsunuma has been associated with leading companies in the technology sector, including **Hitachi, Ltd.** and **Hitachi Automotive Engineering Co., Ltd.**. His role in these organizations has allowed him to leverage his inventive skills and contribute to advancements in magnetic recording techniques.

Collaborations

Katsunuma has worked alongside skilled professionals in the field, including notable coworkers such as **Noboru Katohno** and **Yasuhiro Hashiguchi**. These collaborations have fostered an environment of innovation that has propelled their projects forward, resulting in significant technological advancements.

Conclusion

Masabumi Katsunuma's contributions to magnetic tape technology exemplify the spirit of innovation. His patented inventions have streamlined production processes and enhanced the efficiency of magnetic recording devices. As technology continues to evolve, the impact of his work remains relevant within the industry.

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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