Mayfield Heights, OH, United States of America

Masamitsu Tsukamoto

This inventor holds 19 USPTO granted patents, primarily in Herbicidal Compositions. Top assignees: Ishihara Sangyo Kaisha, Ltd., Isk Americas Incorporated. Active years: 2000-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masamitsu Tsukamoto. Retrieved from https://idiyas.com/inventor/masamitsu-tsukamoto

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

USPTO Granted Patents = 19

% Patents Active = 31.6

Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 58(Granted Patents)

Location History:

Mayfield Hts., OH (US) (2000 - 2001)
Mayfield Heights, OH (US) (2001 - 2005)
Moriyama, JP (2004 - 2007)
Kusatsu, JP (2011 - 2013)

Company Filing History:

14 out of 394

Ishihara Sangyo Kaisha, Ltd.

patents

5 out of 5

Isk Americas Incorporated

patents

Years Active: 2000-2013

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Areas of Expertise:

Benzoylpyrazole Compounds

Herbicides

Fused Tricyclic Compounds

Aryl Ether Derivatives

Substituted Benzene Compounds

Diaryl Ethers

Desiccant Compositions

Carbonyl Hydrazones

Fused Heterocycle Compounds

Defoliant Compositions

Benzohydrazide Derivatives

Processes for Preparation

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8466089 - Pyrazole compounds, process for their production and herbicides containing them (2013-06-18),

2. 8466088 - Herbicidal compositions containing benzoylpyrazole compounds (2013-06-18),

3. 8119569 - Benzoylpyrazole compounds, process for their production and herbicides containing them (2012-02-21),

4. 8030498 - Benzoylpyrazole compounds and herbicides containing them (2011-10-04),

5. RE39590 - Substituted benzene compounds, process for their preparation, and herbicidal and defoliant compositions containing them (2007-04-23),

6. 6927193 - Aryl ether derivatives and processes for their preparation and herbicidal and desiccant compositions containing them (2005-08-09),

7. 6806367 - Process for producing carbonyl hydrazones (2004-10-19),

8. 6770597 - Benzohydrazide derivatives as herbicides and desiccant compositions containing them (2004-08-03),

9. 6770596 - Fused tricyclic compounds, process for their preparation, and herbicidal compositions containing them (2004-08-03),

10. 6617282 - Processes for preparing 3-phenyl-2,4(1H, 3H)-pyrimidinediones (2003-09-09),

11. 6613718 - Aryl ether derivatives and processes for their preparation and herbicidal and desiccant compositions containing them (2003-09-02),

12. 6573218 - Fused-benzene derivatives useful as herbicides (2003-06-03),

13. 6545161 - Substituted benzene compounds, process for their preparation, and herbicidal and defoliant compositions containing them (2003-04-08),

14. 6479435 - Diaryl ethers and processes for their preparation and herbicidal and desiccant compositions containing them (2002-11-12),

15. 6355799 - Substituted benzene compounds, process for their preparation, and herbicidal and defoliant compositions containing them (2002-03-12),

Title: Masamitsu Tsukamoto: Innovator in Herbicidal Compositions

Introduction

Masamitsu Tsukamoto, an esteemed inventor based in Mayfield Heights, Ohio, has made significant contributions to the field of herbicidal compositions. With a portfolio of 19 patents, Tsukamoto's work focuses on innovative solutions that enhance agricultural efficiency while minimizing environmental impact.

Latest Patents

Among his latest patents, Tsukamoto developed herbicidal compositions containing benzoylpyrazole compounds. This invention offers an effective herbicidal solution that can be applied at lower doses compared to traditional methods. The composition not only reduces environmental load but also provides a broader herbicidal spectrum and longer-lasting effects. Additionally, his patent on pyrazole compounds showcases a novel herbicide with excellent effectiveness across various application methods, including soil and foliage treatment.

Career Highlights

Tsukamoto has worked for reputable companies such as Ishihara Sangyo Kaisha, Ltd. and Isk Americas Incorporated, where he further refined his expertise in developing herbicidal products. His contributions to these organizations highlight his commitment to improving agricultural practices through innovative research and development.

Collaborations

Throughout his career, Tsukamoto has collaborated with notable individuals in the field, including Sandeep Gupta and David A. Pulman. These partnerships have facilitated the exchange of ideas and expertise, enriching his work and expanding the impact of his inventions.

Conclusion

Masamitsu Tsukamoto exemplifies the spirit of innovation within the agricultural sector. His dedication to creating effective and environmentally friendly herbicidal compositions is commendable. As he continues to innovate, his contributions will undoubtedly shape the future of agricultural practices.

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]