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For the Inventor, By the Inventor

Tachikawa, Japan

Makoto Katsumata

This inventor holds 4 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1996-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Katsumata. Retrieved from https://idiyas.com/inventor/makoto-katsumata-u217b32l

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

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 50.0

Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 35(Granted Patents)


Location History:

  • Ichikawa, JP (1996)
  • Tachikawa, JP (2002 - 2006)

Company Filing History:

goldMedal4 out of 53,286 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1996-2006

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4 patents (USPTO):Explore Patents
1. 7130155 - Head suspension assembly and magnetic disk apparatus comprising the head suspension assembly (2006-10-31),
2. 6826016 - Head suspension assembly and magnetic disk apparatus comprising the head suspension assembly (2004-11-30),
3. 6377411 - Head IC, head amplifier circuit, head suspension assembly, and magnetic disk drive for avoiding electrostatic breakdown of magnetic head (2002-04-23),
4. 5504725 - Optical disk apparatus for reading and writing data on an optical disk (1996-04-02),

Title: Makoto Katsumata: Innovator in Magnetic Disk Technology

Introduction

Makoto Katsumata is a prominent inventor based in Tachikawa, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of 4 patents. His work has been instrumental in advancing the efficiency and functionality of magnetic disk apparatuses.

Latest Patents

Katsumata's latest patents include a head suspension assembly and a magnetic disk apparatus comprising this assembly. The head actuator assembly features a plate-like suspension with a distal end portion that mounts a magnetic head. Additionally, a trace with a relay flexible printed circuit (FPC) is attached to the suspension through a lining plate. A head integrated circuit (IC) is mounted on the relay FPC and positioned near the magnetic head. In the area facing the head IC, insulation layers of the FPC are removed, and an opening is formed in both the lining plate and suspension. This design exposes a wiring pattern of the relay FPC through the opening, enhancing the overall functionality of the assembly.

Career Highlights

Katsumata is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate and develop new technologies. His expertise in magnetic disk technology has positioned him as a key player in the industry.

Collaborations

Throughout his career, Katsumata has collaborated with notable coworkers, including Kenji Tsuruta and Katsuhiko Kaida. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Makoto Katsumata's contributions to magnetic disk technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in technology, making a lasting impact on 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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