Ibaraki, Japan

Masahiro Hirakawa

This inventor holds 2 USPTO granted patents. Top assignees: Sumitomo Precision Products Co., Ltd., Other. Active years: 1994-1995.

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

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 = 3.4

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:

goldMedal2 out of 129 
 
Sumitomo Precision Products Co., Ltd.
 patents
silverMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1994-1995

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2 patents (USPTO):Explore Patents

Title: Masahiro Hirakawa: Innovator in Dielectric Materials

Introduction

Masahiro Hirakawa is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of dielectric materials, particularly in applications related to ozone generators. With a total of 2 patents, his work has garnered attention for its innovative approach to enhancing the performance and durability of electrical components.

Latest Patents

Hirakawa's latest patents include a "Clad fine wire electrode-type activated species-generating apparatus" and a "Dielectric material used for an ozone generator and a method of forming." The latter invention addresses the challenges associated with the melting of matrix ingredients at the surface of dielectric materials during electric discharge in ozone generators. His method involves the formation of a protective film using SiO₂ or SiNₓ, which can be easily applied to the surfaces of electrodes and dielectric materials. This innovation aims to prevent the abrasion of electrodes and dielectric materials, thereby improving the longevity and efficiency of ozone generators.

Career Highlights

Throughout his career, Hirakawa has worked with reputable companies, including Sumitomo Precision Products Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced materials and technologies.

Collaborations

Hirakawa has collaborated with notable colleagues such as Sachiko Okazaki and Masuhiro Kogoma. These partnerships have likely enriched his research and development efforts, leading to innovative solutions in his field.

Conclusion

Masahiro Hirakawa's contributions to dielectric materials and ozone generator technology highlight his role as a significant inventor in the industry. His innovative patents and collaborations reflect his commitment to advancing technology in this specialized area.

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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