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For the Inventor, By the Inventor

Shizuoka, Japan

Masafumi Matsuzawa

This inventor holds 10 USPTO granted patents and 1 EPO patent. Top assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd., Ihara Chemical Industries Co., Ltd.. Active years: 1985-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Matsuzawa. Retrieved from https://idiyas.com/inventor/masafumi-matsuzawa

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0


Average Co-Inventor Count = 5.2

ph-index = 7

Forward Citations = 179(Granted Patents)


Location History:

  • Iwata-gun, Shizuoka-ken, JP (1989)
  • Iwataegun, JP (1996)
  • Iwata-gun, JP (1997)
  • Shizuoka, JP (1985 - 1998)
  • Urayasu, JP (2002)

Company Filing History:

goldMedal7 out of 216 
 
Kumiai Chemical Industry Co., Ltd.
 patents
silverMedal6 out of 211 
 
Ihara Chemical Industry Co., Ltd.
 patents
bronzeMedal1 out of 2 
 
Ihara Chemical Industries Co., Ltd.
 patents
4. 1 out of 1 
 
Kumiai Chemical Industries Co., Ltd.
 patent
5. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2002

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10 patents (USPTO):Explore Patents
1. 6414186 - Process for producing chloromethylphenylacetic acid (2002-07-02),
2. 5770544 - Condensed heterocyclic derivatives and herbicides (1998-06-23),
3. 5616537 - Condensed heterocyclic derivatives and herbicides (1997-04-01),
4. 5527763 - Pyrimidine or triazine derivatives and herbicides (1996-06-18),
5. 5385880 - Pyridine derivative herbicidal composition containing the same, and (1995-01-31),
6. 5380700 - Pyridine derivatives, herbicidal composition containing the same, and (1995-01-10),
7. 4875930 - Cyclohexane derivatives having plant growth regulating activities and (1989-10-24),
8. 4866201 - Cyclohexane derivatives having plant-growth regulating activities and (1989-09-12),
9. 4678496 - Cyclohexane derivatives having plant-growth regulating activities, and (1987-07-07),
10. 4560403 - Cyclohexane derivatives having plant-growth regulating activities, and (1985-12-24),

Title: The Innovative Contributions of Masafumi Matsuzawa

Introduction

Masafumi Matsuzawa is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of chemistry, particularly in the development of herbicides. With a total of 10 patents to his name, Matsuzawa's work has had a considerable impact on agricultural practices.

Latest Patents

Matsuzawa's latest patents include a process for producing chloromethylphenylacetic acid and condensed heterocyclic derivatives. These innovations are particularly noteworthy as they provide effective herbicides that exhibit excellent herbicidal activities against both gramineous and non-gramineous weeds. Importantly, these compounds do not adversely affect crop plants when used for paddy field treatment, upland soil treatment, and foliage treatment.

Career Highlights

Throughout his career, Matsuzawa has worked with notable companies such as Kumiai Chemical Industry Co., Ltd. and Ihara Chemical Industry Co., Ltd. His expertise in chemical processes and herbicide development has positioned him as a key figure in the industry.

Collaborations

Matsuzawa has collaborated with several professionals in his field, including Takeshige Miyazawa and Yasufumi Toyokawa. These collaborations have further enhanced his research and development efforts.

Conclusion

Masafumi Matsuzawa's innovative work in the field of herbicides has made a significant impact on agriculture. His contributions continue to influence practices and improve crop management strategies.

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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