Tokyo, Japan

Takayoshi Kuwajima

This inventor holds 13 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Tdk Corporation. Active years: 1997-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayoshi Kuwajima. Retrieved from https://idiyas.com/inventor/takayoshi-kuwajima

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

USPTO Granted Patents = 13 

% Patents Active = 53.8

 

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Nagano, JP (1997 - 1998)
  • Saku, JP (2000 - 2006)
  • Tokyo, JP (1997 - 2009)

Company Filing History:


Years Active: 1997-2009

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13 patents (USPTO):Explore Patents

Title: The Innovative Mind of Takayoshi Kuwajima

Introduction: Takayoshi Kuwajima is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of magnetic recording technologies. With a remarkable portfolio of 13 patents, Kuwajima has made strides in developing high-density recording media that enhance performance and stability in various applications.

Latest Patents: Among his latest patents, Kuwajima has introduced a groundbreaking magnetic recording medium and its manufacturing method. This invention focuses on creating a high recording density magnetic recording medium while improving the dilution stability during the preparation of magnetic paint. The innovation allows for lower magnetic paint concentrations without compromising surface roughness or thin magnetic layer output. The patented magnetic recording medium features a specially formulated magnetic layer on a non-magnetic support, composed of magnetic powder, vinyl chloride resin, and an aliphatic polyester polyurethane resin as binder resins. Notably, the magnetic layer maintains an excellent surface smoothness and optimal electromagnetic conversion characteristics, making it suitable for short-wavelength recording applications.

Career Highlights: Takayoshi Kuwajima has associated his talents with TDK Corporation, where he continues to push the boundaries of magnetic recording technology. His commitment to research and development has positioned him as a leading figure in the industry, reflecting his dedication and expertise in the field.

Collaborations: Throughout his career, Kuwajima has collaborated with notable coworkers, including Akihiko Seki and Kenichi Kitamura, contributing to innovative projects and technological advancements within TDK Corporation. Their teamwork exemplifies the synergistic potential of collaboration in achieving significant advancements in technology.

Conclusion: Takayoshi Kuwajima's contributions to the field of magnetic recording mediums underscore his pioneering spirit and unwavering commitment to innovation. With his extensive patent portfolio and collaborative efforts at TDK Corporation, he continues to forge a path for future advancements in recording technology, shaping the industry and inspiring new generations of inventors.

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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