Tokyo, Japan

Kouji Yanagihara

This inventor holds 1 USPTO granted patent. Top assignees: Daisan Kogyo Co., Ltd., Showa Denko K.k.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Yanagihara. Retrieved from https://idiyas.com/inventor/kouji-yanagihara

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 = 7.0

ph-index = 1


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Kouji Yanagihara: Innovator in Detergent Composition

Introduction

Kouji Yanagihara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of detergent compositions, particularly through his innovative patent. His work focuses on enhancing the effectiveness and environmental sustainability of cleaning products.

Latest Patents

Kouji Yanagihara holds a patent for a detergent composition that includes an aminodicarboxylic acid and a synthetic surface active agent with microbial degradability. This composition is particularly effective in washing fabrics, as it exhibits excellent washing effects without forming metallic soap, even in hard water. Additionally, it maintains high solubility at low water temperatures and demonstrates excellent microbial degradability. The use of synthetic anionic and/or nonionic surface active agents minimizes corrosion to light metals, making it suitable for various cleaning applications, including foam cleaning.

Career Highlights

Throughout his career, Kouji Yanagihara has worked with prominent companies such as Daisan Kogyo Co., Ltd. and Showa Denko K.K. His experience in these organizations has contributed to his expertise in developing innovative cleaning solutions.

Collaborations

Kouji has collaborated with notable coworkers, including Chie Takahashi and Kyoko Morikawa. Their combined efforts have further advanced the development of effective detergent compositions.

Conclusion

Kouji Yanagihara's contributions to detergent compositions highlight his innovative spirit and commitment to creating effective and environmentally friendly cleaning solutions. His work continues to influence the industry and improve the quality of cleaning products available today.

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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