Minamisaitama, Japan

Masao Nishikubo

This inventor holds 2 USPTO granted patents. Top assignee: Nissan Chemical Industries Limited. Active years: 1991-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Nishikubo. Retrieved from https://idiyas.com/inventor/masao-nishikubo

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 = 6.5

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Minamisaitama, JP (1991)
  • Saitama, JP (1992)

Company Filing History:


Years Active: 1991-1992

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2 patents (USPTO):Explore Patents

Title: The Innovations of Masao Nishikubo

Introduction

Masao Nishikubo is a notable inventor based in Minamisaitama, Japan. He has made significant contributions to the field of agricultural chemistry, particularly in the development of fungicides. With a total of 2 patents, his work has had a meaningful impact on agricultural practices.

Latest Patents

Nishikubo's latest patents include an oxime derivative and a fungicide for agricultural and horticultural use. This oxime derivative is represented by a specific general formula, wherein A, B, Y, and W represent defined groups. The patent also covers an optically active isomer of this derivative, which serves as an active ingredient in fungicides. Another patent focuses on substituted-amido compounds and phytopathogenic fungicides. This patent discloses substituted-amido derivatives of a general formula, where R1 and R2 represent various specified groups, along with a method for preparing these derivatives.

Career Highlights

Masao Nishikubo is currently employed at Nissan Chemical Industries Limited, where he continues to innovate in the field of chemical applications for agriculture. His work is characterized by a commitment to developing effective solutions for pest control in crops.

Collaborations

Nishikubo has collaborated with several colleagues, including Toshiaki Takeyama and Takeshi Mita. These collaborations have contributed to the advancement of his research and the successful development of his patented inventions.

Conclusion

Masao Nishikubo's contributions to agricultural chemistry through his patents demonstrate his dedication to innovation in the field. His work continues to influence agricultural practices and improve crop protection methods.

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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