Tokyo, Japan

Zenzo Tamura

This inventor holds 2 USPTO granted patents. Top assignees: Meiji Seika Kaisha, Ltd., Other. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zenzo Tamura. Retrieved from https://idiyas.com/inventor/zenzo-tamura

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 = 4.2

ph-index = 2

Forward Citations = 31(Granted Patents)


Location History:

  • Ota, Tokyo, JA (1976)
  • Ota-ku, Tokyo, JP (1993)

Company Filing History:

goldMedal1 out of 382 
 
Meiji Seika Kaisha, Ltd.
 patents
silverMedal2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-1993

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2 patents (USPTO):Explore Patents

Title: Inventor Zenzo Tamura: Innovative Solutions from Tokyo

Introduction

Zenzo Tamura is a prominent inventor based in Tokyo, Japan, recognized for his contributions to the field of chemical compositions and analytical methods. With a total of two patents to his name, Tamura has demonstrated a remarkable ability to address practical challenges through inventive solutions.

Latest Patents

Tamura’s latest innovations include a unique disinfectant composition and a method for determining carboxylic acid. The disinfectant composition comprises an aqueous solution or an alcoholic aqueous solution with a concentration of 83 v/v % or less. It incorporates hydroxypropyl cellulose at a concentration of 0.5 to 10 w/v %, iodine ranging from 0.01 to 1.0 w/v %, and an iodide not exceeding 0.5 w/v %. This formulation is notable for its reduced skin irritation while maintaining effective bactericidal and viricidal activity.

The second patent pertains to a method for quantifying carboxylic acid. This process involves reacting a carboxylic acid sample with a hydroxylammonium salt in the presence of carbodiimide to generate hydroxamic acid. Subsequently, the formed hydroxamic acid is reacted with a ferric compound to produce ferric hydroxamate. This method represents a significant advancement in analytical chemistry.

Career Highlights

Throughout his career, Zenzo Tamura has contributed to several organizations, most notably Meiji Seika Kaisha, Ltd. His work in these companies has allowed him to further refine his innovative skills and contribute to significant advancements in his field.

Collaborations

In his inventive journey, Tamura has collaborated with several talented individuals, including Kuniko Shoji and Chieko Azegami. These partnerships have enriched his work and expanded the impact of his innovations.

Conclusion

Zenzo Tamura continues to be a driving force in the field of invention, combining scientific knowledge with practical applications. His patents not only showcase his inventive prowess but also highlight his commitment to developing solutions that address real-world problems. As he progresses in his career, the potential for future innovations remains promising, making him an inventor to watch in the coming years.

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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