Kawaguchi, Japan

Yoshio Yamamoto

This inventor holds 1 USPTO granted patent. Top assignees: Erma Optical Works, Ltd., Ulvac Service Corporation. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Yamamoto. Retrieved from https://idiyas.com/inventor/yoshio-yamamoto-ldofybe4

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 = 11.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: The Innovations of Yoshio Yamamoto

Introduction

Yoshio Yamamoto is a notable inventor based in Kawaguchi, Japan. He has made significant contributions to the field of measurement technology, particularly in the analysis of super-pure water. His innovative approach has led to the development of a unique apparatus that enhances the accuracy of impurity detection.

Latest Patents

Yamamoto holds a patent for an "Apparatus for measuring impurities in super-pure water without exposure." This measuring apparatus is designed to assess the number and size of impurities, such as dust and bacteria, in super-pure water. The apparatus features a sealed container, a sample supply line, an overflow pipe, a negative electrode, and a hollow sensor that contains a positive electrode. The detecting circuit connected to these electrodes allows for the detection of voltage pulses caused by impurities passing through a small hole into the hollow sensor. This invention is crucial for industries that require ultra-pure water for their processes.

Career Highlights

Throughout his career, Yoshio Yamamoto has worked with several prominent companies, including Erma Optical Works, Ltd. and Ulvac Service Corporation. His experience in these organizations has contributed to his expertise in measurement technologies and innovation.

Collaborations

Yamamoto has collaborated with notable individuals in his field, including Kozo Shirato and Kazuo Hiraizumi. These collaborations have likely enriched his work and led to further advancements in his inventions.

Conclusion

Yoshio Yamamoto's contributions to the field of measurement technology, particularly through his patented apparatus for measuring impurities in super-pure water, highlight his innovative spirit and dedication to improving industrial processes. His work continues to influence the industry and showcases the importance of precision in scientific measurements.

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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