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For the Inventor, By the Inventor

Hirakata, Japan

Noriaki Yamauchi

This inventor holds 10 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1987-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriaki Yamauchi. Retrieved from https://idiyas.com/inventor/noriaki-yamauchi

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 52(Granted Patents)


Company Filing History:

goldMedal10 out of 6,965 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1987-1995

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10 patents (USPTO):Explore Patents
1. 5437688 - Granular reactive dye composition and production process thereof (1995-08-01),
2. 5259850 - Granular type reactive dye compositions and methods for dyeing and (1993-11-09),
3. 4934009 - Stabilized aqueous liquid composition of fiber-reactive azo dye: mixture (1990-06-19),
4. 4842614 - Demineralization of aqueous liquid dye composition (1989-06-27),
5. 4834771 - Aqueous liquid dye composition of C.I. reactive blue ZI and caprolactam (1989-05-30),
6. 4832698 - Aqueous liquid composition of vinylsulfone type reactive dyes in lithium (1989-05-23),
7. 4824942 - Fiber-reactive monoazo compound and aqueous compositions thereof (1989-04-25),
8. 4780104 - Reactive dye-containing aqueous liquid composition (1988-10-25),
9. 4749380 - Aqueous liquid sulphato-ethylsulphonyl reactive dye composition (1988-06-07),
10. 4693725 - Aqueous liquid dye composition containing bifunctional reactive dye (1987-09-15),

Title: Noriaki Yamauchi: Innovator in Reactive Dye Technology

Introduction

Noriaki Yamauchi is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of dye chemistry, particularly in the development of granular reactive dye compositions. With a total of 10 patents to his name, Yamauchi's work has had a substantial impact on the textile industry.

Latest Patents

Yamauchi's latest patents include a granular reactive dye composition and a production process thereof. This innovative composition comprises a water-soluble reactive dye and at least one granulating auxiliary agent, which is selected from a specific group of compounds. Another notable patent is for a granular type reactive dye composition that contains a reactive dye, an inorganic salt, and water. This composition is designed to exhibit excellent storage stability, compatibility with water and hot water, and reproducibility when used for dyeing or printing cellulose fibers.

Career Highlights

Throughout his career, Noriaki Yamauchi has been associated with Sumitomo Chemical Company, Limited. His work has focused on enhancing the performance and usability of reactive dyes, which are essential in the textile manufacturing process. His innovative approaches have led to advancements that benefit both manufacturers and consumers.

Collaborations

Yamauchi has collaborated with notable colleagues, including Kunihiko Imada and Yutaka Kayane. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in the field of dye technology.

Conclusion

Noriaki Yamauchi's contributions to the field of reactive dye technology are noteworthy. His innovative patents and collaborations have significantly advanced the industry, making him a key figure in the development of modern dye compositions.

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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