Toyonaka, Japan

Isao Sumita

This inventor holds 3 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1977-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Sumita. Retrieved from https://idiyas.com/inventor/isao-sumita

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 68(Granted Patents)


Location History:

  • Toyonaka, JA (1977)
  • Toyonaka, JP (1980 - 1982)

Company Filing History:


Years Active: 1977-1982

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Isao Sumita

Introduction

Isao Sumita is a notable inventor based in Toyonaka, Japan. He has made significant contributions to the field of technology, particularly in the development of advanced materials and purification systems. With a total of 3 patents to his name, Sumita's work has had a lasting impact on various industries.

Latest Patents

One of Sumita's latest patents is for a magnetic recording medium. This invention features a thin film type magnetic recording medium that has a coating of ultraviolet ray setting epoxy resin containing a lubricant on at least one major surface. This innovative design minimizes degradation of resistance to wear and ensures stable recording and reproduction characteristics, even under high temperatures and humidity. Another significant patent is for a reverse osmosis membrane, which is structured similarly to Loeb's membrane. This membrane is designed to purify seawater into plain water and comprises a skin layer as an active layer and a gel layer to support the skin layer.

Career Highlights

Sumita has been associated with Matsushita Electric Industrial Co., Ltd., where he has contributed to various research and development projects. His work has been instrumental in advancing technologies that enhance the efficiency and effectiveness of electronic devices and water purification systems.

Collaborations

Throughout his career, Sumita has collaborated with several talented individuals, including Motoi Kitano and Yukio Sakamoto. These collaborations have fostered innovation and have led to the successful development of new technologies.

Conclusion

Isao Sumita's contributions to technology through his patents and collaborations highlight his role as a significant inventor in Japan. His work continues to influence advancements in magnetic recording and water purification technologies.

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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