Yokohama, Japan

Bunji Natsume

This inventor holds 2 USPTO granted patents. Top assignees: Mitsubishi Chemical Industries Limited, Mitsubishi Kasei Corporation. Active years: 1985-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Bunji Natsume. Retrieved from https://idiyas.com/inventor/bunji-natsume-wbpsfcsa

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 = 4.4

ph-index = 2

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1985-1993

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2 patents (USPTO):Explore Patents

Title: The Innovations of Bunji Natsume: A Pioneer in Agricultural Chemicals

Introduction: Bunji Natsume is a distinguished inventor based in Yokohama, Japan, known for his contributions to agricultural chemistry. With a total of two patents to his name, Natsume has made significant strides in the field of insecticides, miticides, and herbicides, enhancing crop protection for farmers and agricultural industries.

Latest Patents: Natsume’s latest patents include the Pyrazolecarboxamide, which is an insecticidal and miticidal composition. This composition features a pyrazolecarboxamide derivative characterized by a specific molecular structure outlined as follows: where R¹ represents a C₁ to C₃ alkyl group, R² and R³ can be C₁ to C₃ alkyl or may combine to form a C₃ to C₄ alkylene group, and R⁴ can represent various alkyl groups or other complex substituents. Additionally, his patents also include a class of herbicidal compounds known as N-(3-substituted oxyphenyl) tetrahydrophthalimides, which display excellent herbicidal activity, making them useful as selective herbicides in agriculture.

Career Highlights: Throughout his career, Bunji Natsume has been associated with notable companies, including Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation. His work in these organizations has allowed him to develop cutting-edge solutions for pest control and herbicide applications.

Collaborations: Natsume has collaborated with esteemed colleagues such as Tetsuo Jikihara and Masatsugu Oda. Together, they have contributed to the advancement of innovations in the realm of agricultural chemistry and have worked on various research projects aimed at improving plant protection technologies.

Conclusion: Bunji Natsume's innovations in the field of agricultural chemicals reflect his dedication to advancing agricultural practices. With his patents focusing on effective pest control solutions, Natsume has played a vital role in enhancing agricultural productivity and ensuring sustainable farming practices. His work continues to influence the industry, paving the way for future advancements in agricultural chemistry.

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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