Fujisawa, Japan

Yuji Arai

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Nippon Telegraph and Telephone Public Corporation. Active years: 1978-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Arai. Retrieved from https://idiyas.com/inventor/yuji-arai-mq70emm5

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 2

Forward Citations = 19(Granted Patents)


Location History:

  • Kokubunji, JA (1978)
  • Fujisawa, JP (1979)

Company Filing History:


Years Active: 1978-1979

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2 patents (USPTO):Explore Patents

Title: Yuji Arai: Innovator in Magnetic Bubble Memory and Semiconductor Devices

Introduction

Yuji Arai is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the fields of magnetic bubble memory devices and semiconductor technology. With a total of 2 patents to his name, Arai's work reflects a commitment to advancing electronic device efficiency and functionality.

Latest Patents

Arai's latest patents include a field access magnetic bubble memory device and a single in-line high power resin-packaged semiconductor device. The field access magnetic bubble memory device features a memory chip that can be applied with an in-plane magnetic field as needed. This device operates by removing the in-plane field after a predetermined period during a transient stop operation. Additionally, the semiconductor device is designed with a plurality of external leads and a heat sink fin mounting plate, which enhances heat dissipation efficiency and allows for compact assembly in electronic instruments.

Career Highlights

Throughout his career, Yuji Arai has worked with prominent companies such as Hitachi, Ltd. and Nippon Telegraph and Telephone Public Corporation. His experience in these organizations has contributed to his expertise in developing innovative electronic solutions.

Collaborations

Arai has collaborated with notable coworkers, including Shigeru Yoshizawa and Nobuo Saito. These partnerships have likely fostered a creative environment that has led to the development of his patented technologies.

Conclusion

Yuji Arai's contributions to the fields of magnetic bubble memory and semiconductor devices highlight his innovative spirit and dedication to technology advancement. His patents reflect a deep understanding of electronic device design and functionality.

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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