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For the Inventor, By the Inventor

Shiga, Japan

Yoshihachi Watanabe

This inventor holds 7 USPTO granted patents. Top assignee: Shionogi Company Limited. Active years: 1980-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihachi Watanabe. Retrieved from https://idiyas.com/inventor/yoshihachi-watanabe

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 5

Forward Citations = 76(Granted Patents)


Location History:

  • Otsu, JP (1982)
  • Shiga, JP (1980 - 1986)

Company Filing History:

goldMedal7 out of 1,001 
 
Shionogi Company Limited
 patents

Years Active: 1980-1986

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7 patents (USPTO):Explore Patents
1. 4576956 - Iodo propargylaminoisoxazoles as fungicides (1986-03-18),
2. 4535088 - Propynylaminothiazole derivatives (1985-08-13),
3. 4483866 - Agricultural composition and method utilizing 1-benzylimidazole (1984-11-20),
4. 4463011 - Bis-imidazolyl-bis-phenylmethane derivatives and their use as fungicides (1984-07-31),
5. 4328348 - Novel benzylimidazole derivatives (1982-05-04),
6. 4248869 - Phenyl isothiocyanate derivatives and their production (1981-02-03),
7. 4228165 - Phenyl isothiocyanate derivatives and their production (1980-10-14),

Title: Innovations of Yoshihachi Watanabe

Introduction

Yoshihachi Watanabe is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of antimicrobial compositions, holding a total of seven patents. His work focuses on developing innovative solutions for medical, agricultural, and veterinary applications.

Latest Patents

Watanabe's latest patents include the development of Iodo propargylaminoisoxazoles as fungicides. These new derivatives, specifically (2-propynylamino)isoxazole and (3-iodo-2-propynylamino)isoxazole, exhibit antimicrobial activity and serve as active ingredients in various compositions. Additionally, he has created Propynylaminothiazole derivatives, which include 2-(2-propynylamino)thiazole and 2-(3-iodo-2-propynylamino)thiazole. These derivatives also demonstrate antimicrobial properties and are utilized in medical and agricultural applications.

Career Highlights

Watanabe is currently associated with Shionogi & Company Limited, where he continues to innovate and develop new products. His expertise in the field has led to advancements that benefit both human health and agricultural practices.

Collaborations

Throughout his career, Watanabe has collaborated with notable colleagues, including Katsuya Tawara and Toshio Takahashi. These partnerships have fostered a collaborative environment that enhances the innovation process.

Conclusion

Yoshihachi Watanabe's contributions to the field of antimicrobial compositions highlight his role as a leading inventor. His patents reflect a commitment to advancing medical and agricultural solutions, showcasing the impact of his work on various industries.

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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