Nagoya, Japan

Tadashi Sagara

This inventor holds 1 USPTO granted patent. Top assignee: Ngk Insulators, Inc.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Sagara. Retrieved from https://idiyas.com/inventor/tadashi-sagara

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Tadashi Sagara

Introduction

Tadashi Sagara is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of magnetic disk drives, showcasing his expertise through his innovative patents. His work has had a lasting impact on technology and engineering.

Latest Patents

One of Tadashi Sagara's key patents is the "Head core slider for rigid magnetic disk drive." This invention includes a slider body that features an air bearing, along with a head core that has a ferrite portion. This ferrite portion provides a closed magnetic circuit with a magnetic gap. Notably, the ferrite portion of the head core has a recess formed in at least one of the two surface areas that face the magnetic disk, which are located on opposite sides of the magnetic gap. This innovation enhances the performance and efficiency of magnetic disk drives.

Career Highlights

Tadashi Sagara is currently employed at NGK Insulators, Inc., where he continues to develop and refine his inventions. His work at this esteemed company has allowed him to collaborate with other talented professionals in the field.

Collaborations

Some of his notable coworkers include Naoya Fukuda and Mitsuaki Ishigaki. Their collaborative efforts contribute to the innovative environment at NGK Insulators, Inc.

Conclusion

Tadashi Sagara's contributions to the field of magnetic disk drives exemplify his innovative spirit and dedication to advancing technology. His patent on the head core slider is a testament to his expertise and the impact of his work in 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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