Niigata, Japan

Junsei Ueda

This inventor holds 5 USPTO granted patents. Top assignees: Alps Electric Co., Ltd., Tdk Corporation. Active years: 2003-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junsei Ueda. Retrieved from https://idiyas.com/inventor/junsei-ueda

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


% Patents Active = 80.0

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 2003-2011

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Innovations of Junsei Ueda

Introduction

Junsei Ueda is a notable inventor based in Niigata, Japan. He has made significant contributions to the field of magnetic head devices, holding a total of 5 patents. His work has advanced the technology used in magnetic recording and playback systems.

Latest Patents

One of Ueda's latest patents is a magnetic head device that features a rear positive pressure surface and a rear side positive pressure surface. This innovative design includes a slider that faces a recording medium, where a first positive pressure is exerted on the leading side and a second positive pressure on the trailing side. Between these two areas, a small second negative pressure is created at the front, while a larger first negative pressure is established at the rear. This configuration stabilizes the pitch angle of the slider and prevents excessive decreases in the flying distance of the trailing end portion. Another significant patent is for a magnetic head apparatus that includes a magnetic head slider with specific area ratios designed to enhance stability during operation. This invention aims to prevent damage to the magnetic element within the slider while ensuring a stable levitation attitude.

Career Highlights

Throughout his career, Junsei Ueda has worked with prominent companies such as Alps Electric Co., Ltd. and TDK Corporation. His experience in these organizations has allowed him to refine his expertise in magnetic technologies and contribute to various innovative projects.

Collaborations

Ueda has collaborated with notable colleagues, including Hirohisa Ishihara and Yasuyuki Kondo. Their combined efforts have led to advancements in the field of magnetic head technology.

Conclusion

Junsei Ueda's contributions to the field of magnetic head devices demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to enhancing the performance and reliability of magnetic recording systems.

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…