Osaka, Japan

Keizou Nakagawa

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keizou Nakagawa. Retrieved from https://idiyas.com/inventor/keizou-nakagawa

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 = 9.0

ph-index = 1

Forward Citations = 42(Granted Patents)


Company Filing History:


Years Active: 2002

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1 patent (USPTO):Explore Patents

Title: Keizou Nakagawa: Innovator in Solid Electrolytic Capacitors

Introduction

Keizou Nakagawa is a prominent inventor based in Osaka, Japan. He is known for his significant contributions to the field of electronics, particularly in the development of solid electrolytic capacitors. His innovative designs have paved the way for advancements in miniaturization and efficiency in electronic components.

Latest Patents

One of Nakagawa's notable patents is for a solid electrolytic capacitor. This invention is capable of realizing miniaturization and large capacitance while ensuring low resistance and high reliability in the electric connection between the anodes. The solid electrolytic capacitor includes a laminate with multiple capacitor units, a sealing body, and an anodic conductive elastic body. The design allows for a portion of the anode to be exposed outside the sealing portion, which is then covered with a plating layer for electrical connection.

Career Highlights

Keizou Nakagawa has made significant strides in his career, working with Matsushita Electric Industrial Co., Ltd. His work has been instrumental in enhancing the performance and reliability of electronic components, particularly in capacitors. His innovative approach has led to the development of technologies that are widely used in various electronic devices today.

Collaborations

Throughout his career, Nakagawa has collaborated with notable colleagues, including Norihisa Takahara and Eiji Yamashita. These collaborations have contributed to the advancement of technology in the field of electronics and have fostered a spirit of innovation within their team.

Conclusion

Keizou Nakagawa's contributions to the field of solid electrolytic capacitors exemplify his dedication to innovation and excellence in electronics. His work continues to influence the industry, making significant strides in the development of efficient and reliable 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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