Nagai, Japan

Toshio Maruyama

This inventor holds 2 USPTO granted patents. Top assignees: Ube Industries, Inc., High Man Parts Corp. Ltd., Marcon Electronics Corp. Ltd.. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Maruyama. Retrieved from https://idiyas.com/inventor/toshio-maruyama-2kd6hhkh

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 = 5.1

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1988

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2 patents (USPTO):Explore Patents

Title: The Innovations of Toshio Maruyama

Introduction

Toshio Maruyama is a notable inventor based in Nagai, Japan. He has made significant contributions to the field of electrolytic capacitors, holding a total of 2 patents. His work focuses on enhancing the performance and durability of these essential electronic components.

Latest Patents

Maruyama's latest patents include an innovative electrolytic capacitor designed to withstand increased pressure from electrolytically generated hydrogen gas. This capacitor features an electrolytic liquid contained within a closed container, with an anode foil and a cathode foil immersed in the liquid. The design incorporates a semipermeable membrane that allows hydrogen gas to permeate while preventing the electrolytic liquid from escaping. Additionally, he has developed a process for producing electrolytic capacitors with very thin spacer layers, utilizing photosensitive polymer resin solutions to create precise spacer layers between the anode and cathode foils.

Career Highlights

Throughout his career, Toshio Maruyama has worked with prominent companies such as Ube Industries, Inc. and Marcon Electronics Corporation. His experience in these organizations has contributed to his expertise in the field of electronics and capacitor technology.

Collaborations

Maruyama has collaborated with notable individuals in his field, including Kohei Nakajima and Hiroshi Shimada. These partnerships have likely fostered innovation and advancements in his projects.

Conclusion

Toshio Maruyama's contributions to the development of electrolytic capacitors demonstrate his commitment to innovation in electronics. His patents reflect a deep understanding of the challenges in capacitor design and production, paving the way for future advancements in the industry.

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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