Matsuyama, Japan

Katsufumi Isshiki

This inventor holds 2 USPTO granted patents, plus 1 CIPO patent. Top assignees: Miura Co., Ltd., Other. Active years: 1998-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsufumi Isshiki. Retrieved from https://idiyas.com/inventor/katsufumi-isshiki

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 = 6.2

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1998-2001

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2 patents (USPTO):Explore Patents

Title: Katsufumi Isshiki: Innovator in Hardness Indicators and Colorimetry

Introduction

Katsufumi Isshiki is a notable inventor based in Matsuyama, Japan. He has made significant contributions to the field of hardness indicators and colorimetry, holding a total of 2 patents. His innovative work has implications in various industries, showcasing his expertise and dedication to advancing technology.

Latest Patents

Isshiki's latest patents include a highly reactive hardness indicator that is designed to detect trace amounts of calcium. This indicator is particularly effective in high-temperature environments exceeding 50°C. The hardness indicator comprises EBT, a pH buffer, and a masking agent as its main components, along with an admixture of Mg-EDTA. In various embodiments, the indicator may also include anhydrous Mg-EDTA and potassium sorbate, enhancing its functionality and reliability.

Another significant invention by Isshiki is related to colorimetry, which further demonstrates his versatility and innovative spirit in the field of scientific instrumentation.

Career Highlights

Throughout his career, Katsufumi Isshiki has worked with Miura Co., Ltd., where he has contributed to the development of advanced technologies. His work has been instrumental in pushing the boundaries of what is possible in his field.

Collaborations

Isshiki has collaborated with notable individuals such as Yoshitami Tsubota and Sadatoshi Takechi. These partnerships have allowed him to expand his knowledge and enhance his inventions.

Conclusion

Katsufumi Isshiki is a distinguished inventor whose work in hardness indicators and colorimetry has made a lasting impact. His innovative patents and collaborations reflect his commitment to advancing technology and improving industrial applications.

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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