Shizuoka, Japan

Yuji Yamada

This inventor holds 5 USPTO granted patents. Top assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd., Mitsui Petrochemical Industries, Ltd.. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Yamada. Retrieved from https://idiyas.com/inventor/yuji-yamada-hq3coxrx

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1990-1993

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5 patents (USPTO):Explore Patents

Title: Innovative Contributions of Yuji Yamada

Introduction

Yuji Yamada is a notable inventor hailing from Shizuoka, Japan, recognized for his significant contributions in the field of chemical innovations. With a total of five patents to his name, he has made strides particularly in dye chemistry and herbicidal applications.

Latest Patents

Among his latest patents, Yamada has developed a range of innovative solutions. One of his prominent inventions is a reactive dye mixture that comprises 10 to 57% by weight of C.I. Reactive Orange 16 and 90 to 43% by weight of C.I. Reactive Orange 7. This invention enhances dyeing methods, providing new possibilities in textile applications. Additionally, Yamada has introduced substituted pyridyloxyureas as herbicides, demonstrating a complex formula where Ar represents specific chemical structures. This invention plays a critical role in agricultural science by providing advanced herbicidal options.

Career Highlights

Throughout his career, Yuji Yamada has worked with esteemed companies such as Kumiai Chemical Industry Co., Ltd. and Ihara Chemical Industry Co., Ltd. His experiences in these organizations have enriched his knowledge and expertise, allowing him to contribute effectively to the field of chemical innovations.

Collaborations

Yamada has collaborated with fellow professionals, including Yasuo Nakamura and Nobuyuki Ohba. These partnerships highlight the importance of teamwork in advancing scientific research and the development of new technologies.

Conclusion

In conclusion, Yuji Yamada's work reflects his dedication to innovation in chemical processes and applications. His patents mark significant advancements that continue to impact industries ranging from textiles to agriculture, showcasing the vital role of inventors in shaping our modern world.

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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