Hitachi, Japan

Takamasa Fujinaga

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd., Hitachi Haramachi Electronics Co., Ltd.. Active years: 1981-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takamasa Fujinaga. Retrieved from https://idiyas.com/inventor/takamasa-fujinaga

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 = 6.2

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1981-1999

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2 patents (USPTO):Explore Patents

Title: The Innovations of Takamasa Fujinaga

Introduction

Takamasa Fujinaga is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of communication technology and nuclear fusion devices. With a total of 2 patents, his work reflects a deep understanding of complex systems and innovative solutions.

Latest Patents

Fujinaga's latest patents include a communication control device and a communication system utilizing the same. The communication control device facilitates the transfer of multiple data items to and from external devices, such as a CPU and memory, through an external bus with varying data bus widths in DMA (direct memory access) transfer mode. The DMA transfer is managed by a controller within the communication control device, which generates signals indicating the continuity of data items. Another significant patent is the torus type vacuum shell designed for nuclear fusion devices. This vacuum shell, which is surrounded by toroidal and poloidal coils, maintains a high vacuum state. Fujinaga's design enhances the bending rigidity of the shell wall, preventing deformation due to magnetic forces and ensuring the integrity of the vacuum shell during plasma confinement.

Career Highlights

Throughout his career, Fujinaga has worked with prominent companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Fujinaga has collaborated with notable colleagues, including Yoshiaki Homitsu and Hiroshi Ichige. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Takamasa Fujinaga's contributions to communication technology and nuclear fusion devices highlight his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology and improving systems for future 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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