Tokyo, Japan

Masakazu Hasegawa

This inventor holds 8 USPTO granted patents. Top assignees: Fujikura Limited, Clarion Co, Nihon Digital Co., Ltd.. Active years: 1983-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Hasegawa. Retrieved from https://idiyas.com/inventor/masakazu-hasegawa

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

Calculating rank

% Patents Active = 87.5

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 72(Granted Patents)


Location History:

  • Funabashi, JP (1987 - 1988)
  • Toda, JP (1995)
  • Tokyo, JP (1983 - 2006)

Company Filing History:


Years Active: 1983-2006

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8 patents (USPTO):Explore Patents

Title: The Innovative Mind of Masakazu Hasegawa

Introduction

Masakazu Hasegawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to technology, holding a total of eight patents. His work primarily focuses on enhancing electronic communication and security systems.

Latest Patents

One of Hasegawa's latest inventions is a junk mail rejection system. This system effectively filters out unwanted electronic mail by rejecting messages from unacceptable sources. It ensures that only legitimate emails reach the intended recipient, thereby improving the overall efficiency of electronic communication. Another notable patent is the vehicle-mounted equipment anti-theft mechanism. This innovative apparatus features a removable control panel that enhances security for vehicle-mounted electronic components. The design includes a locking mechanism that allows for easy removal while providing robust protection against theft.

Career Highlights

Hasegawa has worked with notable companies such as Fujikura Limited and Clarion Co. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Some of his coworkers include Michio Takaoka and Masayuki Tan. Their collaboration has likely fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Masakazu Hasegawa's contributions to the field of technology through his patents demonstrate his innovative spirit and commitment to improving electronic systems. His work continues to influence the industry and inspire future inventors.

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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