Saitama, Japan

Hiroaki Mizumura

This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignee: Nihon Dempa Kogyo Co., Ltd.. Active years: 1996-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Mizumura. Retrieved from https://idiyas.com/inventor/hiroaki-mizumura

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 33.3

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 72(Granted Patents)


Location History:

  • Hannou, JP (1996)
  • Saitama, JP (2004 - 2007)
  • Sayama, JP (2008 - 2009)

Company Filing History:


Years Active: 1996-2009

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9 patents (USPTO):Explore Patents

Title: Innovations of Hiroaki Mizumura

Introduction

Hiroaki Mizumura is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of electronics, particularly in the development of crystal oscillators. With a total of nine patents to his name, Mizumura has established himself as a key figure in his industry.

Latest Patents

Mizumura's latest patents include a surface mount type crystal oscillator and a surface mount type temperature-compensated crystal oscillator. The surface mount type crystal oscillator features a package body made of laminated ceramic, which includes a flat central layer and a hermetically sealed crystal blank. This design allows for efficient electrical connections between the crystal blank and an integrated circuit (IC) chip. The temperature-compensated crystal oscillator integrates an oscillation circuit and a temperature compensation mechanism within a rectangular container body. This innovation ensures stable frequency characteristics despite temperature variations.

Career Highlights

Mizumura has dedicated his career to advancing the technology behind crystal oscillators. His work at Nihon Dempa Kogyo Co., Ltd. has been instrumental in the development of high-performance electronic components. His patents reflect a deep understanding of both the technical and practical aspects of oscillator design.

Collaborations

Mizumura has collaborated with notable colleagues, including Hidenori Harima and Kouichi Moriya. These partnerships have fostered innovation and contributed to the success of their projects.

Conclusion

Hiroaki Mizumura's contributions to the field of electronics, particularly through his innovative patents, have had a lasting impact on the industry. His work continues to influence the development of advanced electronic components.

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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