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For the Inventor, By the Inventor

Tokyo, Japan

Seiya Iguchi

This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignee: Mitsui Toatsu Chemicals, Incorporated. Active years: 1978-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiya Iguchi. Retrieved from https://idiyas.com/inventor/seiya-iguchi

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

USPTO Granted Patents = 6

% Patents Active = 100.0


Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Yokohama, JA (1978)
  • Tokyo, JP (1988 - 1989)
  • Mitaka, JP (1988 - 1992)

Company Filing History:

goldMedal6 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents

Years Active: 1978-1992

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6 patents (USPTO):Explore Patents
1. 5085991 - Process of preparing purified aqueous indole solution (1992-02-04),
2. 4837371 - Process for concentration of an aqueous solution of amino acid (1989-06-06),
3. 4800160 - Process and apparatus for producing immobilized enzyme granules (1989-01-24),
4. 4732654 - Preparation process of indole (1988-03-22),
5. 4727161 - Process for the preparation of indoles (1988-02-23),
6. 4094780 - Process for the liquid phase oxidation of organic substance-containing (1978-06-13),

Title: Seiya Iguchi: Innovator in Aqueous Solutions

Introduction

Seiya Iguchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of chemistry, particularly in the development of aqueous solutions. With a total of 6 patents to his name, Iguchi's work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Iguchi's latest patents include a "Process of preparing purified aqueous indole solution" and a "Process for concentration of an aqueous solution of amino acid." His research focuses on enhancing the solubility of amino acids in water, particularly at their isoelectric points. By utilizing semipermeable membranes in the presence of a water-soluble organic solvent, he has developed methods to significantly increase solubility by adjusting pH levels.

Career Highlights

Iguchi is currently employed at Mitsui Toatsu Chemicals, Incorporated, where he continues to push the boundaries of chemical innovation. His work has not only advanced scientific understanding but also contributed to practical solutions in various industries.

Collaborations

Throughout his career, Iguchi has collaborated with notable colleagues, including Hiroshi Kimura and Shinji Ogawa. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Seiya Iguchi's contributions to the field of aqueous solutions exemplify the spirit of innovation. His patents reflect a commitment to advancing chemical processes that have real-world applications. His work continues to inspire future generations of inventors and researchers.

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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