Itami, Japan

Tosio Fujiwara

This inventor holds 2 USPTO granted patents. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1993-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tosio Fujiwara. Retrieved from https://idiyas.com/inventor/tosio-fujiwara

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 = 2.0

ph-index = 2

Forward Citations = 8(Granted Patents)


Location History:

  • Itami, JP (1993)
  • Hyogo, JP (1996)

Company Filing History:


Years Active: 1993-1996

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2 patents (USPTO):Explore Patents

Title: Tosio Fujiwara: Innovator in Aluminum Alloy Technology

Introduction

Tosio Fujiwara is a notable inventor based in Itami, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced aluminum alloys. With a total of 2 patents to his name, Fujiwara's work has implications for various industrial applications.

Latest Patents

Fujiwara's latest patents include an abrasion-resistant aluminum alloy and a method for preparing the same. This innovative aluminum alloy consists of 13.0 to 16.0 percent by weight of silicon (Si), 4.0 to 5.0 percent by weight of copper (Cu), and at least 0.8 and less than 1.4 percent by weight of magnesium (Mg). The alloy is designed to have a specific abrasion loss of not more than 10×10-7 mm2/kg, making it highly effective for applications requiring durability. Additionally, he has developed a method for forming an oil groove on the end surface of a rotor of an aluminum alloy for a vane-type compressor. This method utilizes warm-pressing a die stamp to create a concave oil groove economically.

Career Highlights

Fujiwara is currently employed at Sumitomo Electric Industries, Limited, where he continues to innovate in the field of aluminum alloys. His work has not only advanced the technology but has also contributed to the efficiency and performance of various mechanical systems.

Collaborations

Some of his notable coworkers include Shigeki Ochi and Tetsuya Hayashi, who have collaborated with him on various projects within the company.

Conclusion

Tosio Fujiwara's contributions to aluminum alloy technology exemplify the importance of innovation in material science. His patents reflect a commitment to enhancing the performance and durability of industrial materials.

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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