Tokyo, Japan

Sadakazu Matsubara

This inventor holds 4 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Teijin Limited, Teijin Pharma Limited. Active years: 1977-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadakazu Matsubara. Retrieved from https://idiyas.com/inventor/sadakazu-matsubara

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


% Patents Active = 75.0


 

Average Co-Inventor Count = 4.6

ph-index = 3

Forward Citations = 49(Granted Patents)


Location History:

  • Hino, JA (1977)
  • Hino, JP (1979)
  • Tokyo, JP (2004 - 2010)

Company Filing History:


Years Active: 1977-2010

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4 patents (USPTO):Explore Patents

Title: **The Innovative Mind of Sadakazu Matsubara**

Introduction

Sadakazu Matsubara, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of oxygen concentration technologies. With a total of four patents to his name, Matsubara has developed innovative solutions that enhance the efficiency and functionality of oxygen concentration apparatuses.

Latest Patents

One of Matsubara's latest inventions is an oxygen concentration apparatus that employs pressure swing adsorption technology. This apparatus includes a control mechanism that manages the switching between intake of pressurized air and exhaust from the adsorption column. By utilizing pressure measurements of oxygen concentrated gas, the apparatus optimizes the cycles of adsorption and regeneration processes, ultimately eliminating the need for conventional mechanical pressure regulating valves.

Another notable patent is the oxygen-concentrating equipment that separates oxygen from the air and provides humidified oxygen-concentrated air to users. This device features a humidifying means that incorporates a cation-conducting solid electrolyte membrane, ensuring optimal performance in managing the concentrated oxygen delivered to users.

Career Highlights

Throughout his career, Sadakazu Matsubara has collaborated with prominent companies, including Teijin Limited and Teijin Pharma Limited. His work at these organizations has been instrumental in the advancement of technologies related to oxygen concentration and delivery.

Collaborations

In his professional journey, Matsubara has worked alongside talented individuals such as Seizi Kurozumi and Takeshi Toru. These collaborations have fostered a creative environment, leading to innovative ideas and technological breakthroughs in their field.

Conclusion

Sadakazu Matsubara exemplifies the spirit of innovation through his dedication to enhancing oxygen concentration technologies. His patents demonstrate a commitment to improving efficiency and usability in oxygen delivery systems, solidifying his reputation as a leading inventor in this specialized area. The contributions of Matsubara continue to impact industries that rely on advanced oxygen concentration solutions.

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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