Omiya, Japan

Yasumasa Sayama

This inventor holds 5 USPTO granted patents. Top assignees: Mitsubishi Materials Corporation, Mitsubishi Metal Corporation. Active years: 1991-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasumasa Sayama. Retrieved from https://idiyas.com/inventor/yasumasa-sayama

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 = 3.0

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Saitama, JP (1991 - 1995)
  • Omiya, JP (1997 - 2000)

Company Filing History:


Years Active: 1991-2000

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5 patents (USPTO):Explore Patents

Title: Yasumasa Sayama: Innovator in Continuous Flow Analysis

Introduction

Yasumasa Sayama is a notable inventor based in Omiya, Japan. He has made significant contributions to the field of continuous flow analysis, holding a total of 5 patents. His innovative methods and apparatuses have advanced the way components in samples are analyzed.

Latest Patents

One of Sayama's latest patents is a method of and apparatus for analyzing a plurality of components. This method enables simultaneous analysis of multiple color-forming components contained in a sample with utmost ease. It involves irradiating the sample with measuring light that generates wavelengths with absorption bands corresponding to the color-forming components. The absorbance of each component is measured in a color-formed state while being adjusted stepwise in their color-forming state. The resultant absorbances are then compared with each other. Additionally, a plurality of measuring cells are utilized to adjust the sample in its color-forming state, allowing for precise measurements.

Another significant patent is the precipitation separation type continuous flow analytical apparatus. This apparatus is capable of continuously performing flow analysis of a sample while producing precipitates during the flow through a capillary. It features a sample injection portion, a reagent addition portion, and an analytical portion that are integrally connected to form a measurement system. A precipitant addition portion and a filtration portion are included to facilitate the continuous production and filtration of precipitates during the flow of the sample solution.

Career Highlights

Yasumasa Sayama has worked with prominent companies such as Mitsubishi Materials Corporation and Mitsubishi Metal Corporation. His experience in these organizations has contributed to his expertise in analytical technologies and innovations.

Collaborations

Throughout his career, Sayama has collaborated with notable individuals, including Yutaka Hayashibe and Minoru Takeya. These collaborations have likely enriched his work and led to further advancements in his field.

Conclusion

Yasumasa Sayama is a distinguished inventor whose work in continuous flow analysis has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to enhancing analytical methods.

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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