Nara, Japan

Mamoru Fujiyama

This inventor holds 5 USPTO granted patents. Top assignees: Zojirushi Vacuum Bottle Co., Ltd., Zojirushi Corporation. Active years: 1984-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mamoru Fujiyama. Retrieved from https://idiyas.com/inventor/mamoru-fujiyama

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 = 2.3

ph-index = 5

Forward Citations = 117(Granted Patents)


Location History:

  • Nara, JP (1984 - 1991)
  • Osaka, JP (1987 - 2001)

Company Filing History:


Years Active: 1984-2001

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5 patents (USPTO):Explore Patents

Title: Mamoru Fujiyama: Innovator in Vacuum Technology

Introduction

Mamoru Fujiyama is a notable inventor based in Nara, Japan. He has made significant contributions to the field of vacuum technology, holding a total of 5 patents. His innovative approaches have led to advancements in methods for sealing vacuum structures and the development of nonfreezing pipes.

Latest Patents

Fujiyama's latest patents include a method for sealing a metal vacuum structure. This invention involves a detailed process of sealing a vacuum bottle by evacuating a space closed by component members and then sealing the evacuation port. The method includes forming a brazing-material placing recess, placing molten brazing material, and ensuring the evacuation port is sealed effectively. Another significant patent is the nonfreezing pipe, which features a double wall construction. This design includes an inner shell with openings and an outer shell that forms an evacuated annular space, preventing freezing in various applications.

Career Highlights

Throughout his career, Mamoru Fujiyama has worked with prominent companies such as Zojirushi Vacuum Bottle Co., Ltd. and Zojirushi Corporation. His work has been instrumental in enhancing the efficiency and functionality of vacuum-related products.

Collaborations

Fujiyama has collaborated with notable colleagues, including Kazuo Nishimura and Akihiro Kitabatake. These partnerships have contributed to the development of innovative solutions in the field of vacuum technology.

Conclusion

Mamoru Fujiyama's contributions to vacuum technology through his patents and collaborations highlight his role as a significant inventor in this field. His work continues to influence advancements in vacuum-related applications.

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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