Osaka, Japan

Yoshihiro Katayama

This inventor holds 4 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Yuasa Corporation. Active years: 1990-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Katayama. Retrieved from https://idiyas.com/inventor/yoshihiro-katayama-vcfbolxs

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 = 4.2

ph-index = 4

Forward Citations = 50(Granted Patents)


Location History:

  • Hirakata, JP (1990 - 1991)
  • Osaka, JP (1990 - 2009)

Company Filing History:


Years Active: 1990-2009

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4 patents (USPTO):Explore Patents

Title: The Innovations of Yoshihiro Katayama

Introduction

Yoshihiro Katayama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, particularly in the development of sealed alkaline storage batteries. With a total of 4 patents to his name, Katayama's work has had a lasting impact on energy storage solutions.

Latest Patents

Among his latest patents, Katayama has developed a sealed alkaline storage battery that includes a nickel electrode as a positive electrode. This innovative battery is characterized by its ability to charge when the gas pressure and temperature are within specified limits, while preventing charging when these parameters exceed the specified values. Additionally, he has patented an electrode structure and a charger specifically designed for this sealed alkaline storage battery. Another notable patent involves a toner sealing arrangement for a dry developing device.

Career Highlights

Throughout his career, Yoshihiro Katayama has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Yuasa Corporation. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to various innovative projects.

Collaborations

Katayama has collaborated with several talented individuals in his field, including Taizo Ono and Toshi Saitoh. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Yoshihiro Katayama's contributions to battery technology exemplify the spirit of innovation. His patents and collaborations have paved the way for advancements in energy storage solutions, making him a significant figure in the field.

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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