Yokohama, Japan

Takeshi Matsui

This inventor holds 3 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Hitachi, Ltd.. Active years: 1977-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Matsui. Retrieved from https://idiyas.com/inventor/takeshi-matsui-5w2j1ux3

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 = 4.9

ph-index = 3

Forward Citations = 39(Granted Patents)


Location History:

  • Yokohama, JA (1977)
  • Yokohama, JP (1979 - 1984)

Company Filing History:


Years Active: 1977-1984

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3 patents (USPTO):Explore Patents

Title: Takeshi Matsui: Innovator in Magnetic Recording Technology

Introduction

Takeshi Matsui is a notable inventor based in Yokohama, Japan, known for his contributions to the field of magnetic recording technology. With a total of three patents to his name, Matsui has made significant advancements that have impacted the efficiency and functionality of various recording devices.

Latest Patents

Matsui's latest patents include an innovative tape guide for magnetic recording and reproducing apparatuses. This invention features a guide roller that facilitates the travel of magnetic tape within a video tape recorder. The roller body is designed with a non-constant diameter that varies smoothly along its axial length, exerting a force that helps to maintain the axial position of the tape during travel. The guide roller also incorporates flanges at both the top and bottom, which possess a convex tape guide surface to prevent the tape edges from striking against them.

Another significant patent by Matsui is a catalyst bed for the decomposition of ammonia gas. This invention comprises a specific mixture of catalysts and granules of catalytically inert substances, showcasing his versatility and expertise in chemical processes as well.

Career Highlights

Throughout his career, Takeshi Matsui has worked with prominent companies, including Ricoh Company, Ltd. and Hitachi, Ltd. His role in these organizations has contributed not only to his personal growth as an inventor but also to the technological advancements within the industry.

Collaborations

Matsui has collaborated with esteemed coworkers such as Kiyotaka Iiyama and Shigeru Kusakata. These partnerships have allowed for the exchange of ideas and expertise, further enriching Matsui's innovative endeavors.

Conclusion

Takeshi Matsui stands out as a significant figure in the realm of inventions related to magnetic recording technology. His patents reflect his innovative spirit and commitment to enhancing technological processes. As he continues to develop new ideas and products, Matsui's work will undoubtedly leave 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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