Kanagawa, Japan

Tatsumi Tsuchiya

This inventor holds 39 USPTO granted patents and 2 published patent applications, primarily in Head Gimbal Assembly. Top assignees: Hitachi Global Storage Technologies Netherlands B.v., International Business Machines Corporation, Hgst Netherlands, B.v.. Active years: 1998-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsumi Tsuchiya. Retrieved from https://idiyas.com/inventor/tatsumi-tsuchiya

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

USPTO Granted Patents = 39 

% Patents Active = 46.2

Average Co-Inventor Count = 4.9

ph-index = 8

Forward Citations = 278(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2003 - 2007)
  • Kanagawa, JP (2008 - 2014)
  • Ayase, JP (1998 - 2018)
  • Hachioji, JP (2019)

Company Filing History:


Years Active: 1998-2019

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Areas of Expertise:
Magnetic Recording
Solder Ball
Head Gimbal Assembly
Microactuator
Thermal Insulation
Disk Drive
Piezoelectric Element
Laser Bonding
Slider Support
Integrated Lead Suspension
Manufacturing Method
Data Recording
39 patents (USPTO):Explore Patents

Title: Innovations of Tatsumi Tsuchiya: A Pioneer in Magnetic Recording Technologies

Introduction

Tatsumi Tsuchiya is an innovative inventor based in Kanagawa, Japan, recognized for his substantial contributions to the field of magnetic recording technologies. With a remarkable portfolio of 39 patents, Tsuchiya has significantly advanced the capabilities of magnetic storage devices and solder bonding tools.

Latest Patents

Among his latest breakthroughs is the "Flexure and actuator system for magnetic recording device". This inventive design focuses on enhancing the functionality of magnetic storage devices, comprising a magnetic disk and a rotatable carriage arm. The inclusion of a suspension assembly featuring a flexure allows for a sophisticated interplay between the mechanism that moves the read-write head and the magnetic disk itself. The actuator system, which is operationally linked to the flexure, enables dynamic swaying of the hinge portion, facilitating improved data read and write processes.

Another noteworthy patent is the "Solder ball jet nozzle having improved reliability". This invention is a solder ball bonding tool designed with a nozzle comprising a unique inner bore with multiple columnar surfaces. These surfaces include retention structures that securely hold solder balls, ensuring consistent and reliable bonding. This soldering tool utilizes a material composition that features a reduced amount of cobalt, contributing to its durability and reliability in manufacturing environments.

Career Highlights

Tatsumi Tsuchiya's professional journey has seen him work with prominent companies, including Hitachi Global Storage Technologies Netherlands B.V. and International Business Machines Corporation (IBM). His experiences in these leading organizations have been pivotal in shaping his innovative approach to technology and invention.

Collaborations

Throughout his career, Tsuchiya has collaborated with esteemed colleagues, including Tatsushi Yoshida and Yoshio Uematsu. These partnerships have contributed to the development of cutting-edge technologies in the fields of magnetic storage and solder bonding, enhancing the overall impact of their collective innovations.

Conclusion

Tatsumi Tsuchiya stands out as a notable inventor whose contributions have profoundly influenced the magnetic recording and soldering industries. With an extensive collection of patents and a strong career marked by collaboration with industry leaders, Tsuchiya continues to be a driving force in technological advancements. His work not only highlights the importance of innovation in engineering but also sets the stage for future developments in these critical fields.

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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