Kyoto, Japan

Shiro Mizutani

This inventor holds 20 USPTO granted patents and 4 published patent applications and 6 EPO patents, primarily in Mass Spectrometry. Top assignees: Shimadzu Corporation, Matsushita Electric Industrial Co., Ltd., Trio Kabushiki Kaisha. Active years: 1984-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shiro Mizutani. Retrieved from https://idiyas.com/inventor/shiro-mizutani

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 85.0

 

Average Co-Inventor Count = 1.4

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Uji, JP (2010 - 2019)
  • Kyoto, JP (1984 - 2022)

Company Filing History:


Years Active: 1984-2026

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Areas of Expertise:
Mass Spectrometer
Quadrupole Mass Filter
Time-of-Flight
Ion Analyzer
Power Supply Device
Analytical Device
High-Voltage Power Unit
Quadrature Detector
Mass Spectrometry Method
20 patents (USPTO):Explore Patents

Title: Shiro Mizutani: Innovator in Ion Analysis and Mass Spectrometry

Introduction

Shiro Mizutani is a prominent inventor based in Kyoto, Japan, known for his significant contributions to the fields of ion analysis and mass spectrometry. With a total of 17 patents to his name, Mizutani has developed innovative technologies that enhance the capabilities of analytical instruments.

Latest Patents

Among his latest inventions is an ion analyzer that features a power feeding circuit designed to provide both DC positive and negative voltages. This device is particularly useful for applying voltage to electrodes within an ionization chamber of a mass spectrometer equipped with an ESI source. Another notable patent is for a time-of-flight mass spectrometer, which includes an acceleration voltage generator that utilizes a power MOSFET to switch high direct-current voltages, generating high-voltage pulses for ion ejection.

Career Highlights

Mizutani has had a distinguished career, working with renowned companies such as Shimadzu Corporation and Matsushita Electric Industrial Co., Ltd. His work has significantly advanced the technology used in mass spectrometry and ion analysis, making him a key figure in these fields.

Collaborations

Throughout his career, Mizutani has collaborated with notable colleagues, including Kazuo Mukaibatake and Yuta Miyazaki. These partnerships have contributed to the development of innovative solutions in analytical technology.

Conclusion

Shiro Mizutani's contributions to ion analysis and mass spectrometry have established him as a leading inventor in his field. His innovative patents and collaborations continue to influence the advancement of analytical instruments.

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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