Tokyo, Japan

Masahiro Onizuka

This inventor holds 9 USPTO granted patents. Top assignee: Tdk Corporation. Active years: 1998-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Onizuka. Retrieved from https://idiyas.com/inventor/masahiro-onizuka

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 = 1.9

ph-index = 5

Forward Citations = 58(Granted Patents)


Location History:

  • Chiba, JP (1998)
  • Akita, JP (1999)
  • Akita-ken, JP (2000 - 2001)
  • Tokyo, JP (2000 - 2002)

Company Filing History:


Years Active: 1998-2002

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9 patents (USPTO):Explore Patents

Title: Masahiro Onizuka: Innovator in Ferrite Core Technology

Introduction

Masahiro Onizuka is a prolific inventor based in Tokyo, Japan, with a remarkable portfolio that includes nine patents. His contributions, particularly in the field of noise prevention technologies, reflect his commitment to advancing electronic equipment performance. His work is recognized in the industry, and he is an essential part of TDK Corporation.

Latest Patents

Masahiro Onizuka's latest patents showcase his innovative approach to ferrite core technology. One notable patent is for a "Noise Preventing Split Ferrite Core," which includes a design comprising first and second split ferrite core bodies. This design strategically positions vertical leg portions to minimize cross-talk and electromagnetic interference, enhancing the operational reliability of electronic devices. Another significant patent is for a "Ferrite-Core Housing Case Anti-Noise Component Wire Harness and Electronic Equipment," which features a split housing design, enabling efficient integration of ferrite cores in flat cables. This innovation includes spring mechanisms that maintain optimal pressure on the ferrite core, ensuring effective noise suppression.

Career Highlights

Onizuka has made significant strides in the field of electronic components while working with TDK Corporation. His extensive work has contributed to the company's reputation for producing high-quality electronic parts essential for various applications, particularly in reducing noise and improving performance.

Collaborations

Throughout his career, Masahiro Onizuka has collaborated with talented coworkers, including Kouki Sato and Yutaka Saito. These partnerships have fostered innovative solutions in the field of electronic components and noise reduction technologies, driving advancements that benefit the broader technology sector.

Conclusion

Masahiro Onizuka is a notable figure in the realm of electronic component innovation, with a focus on creating advanced ferrite core technologies that significantly reduce noise in electronic equipment. His ongoing contributions at TDK Corporation continue to inspire the industry and pave the way for new advancements in technology.

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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