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For the Inventor, By the Inventor

Wakayama, Japan

Tetsuji Iwasaki

This inventor holds 33 USPTO granted patents, primarily in Biocide Activators. Top assignees: Kao Corporation, Kao Soap Company, Ltd., Japan Hydrazine Co., Ltd.. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuji Iwasaki. Retrieved from https://idiyas.com/inventor/tetsuji-iwasaki

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

USPTO Granted Patents = 33

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 355(Granted Patents)


Location History:

  • Wakayma, JP (1989)
  • Wakayama, JP (1978 - 1998)

Company Filing History:

goldMedal29 out of 3,673 
 
Kao Corporation
 patents
silverMedal4 out of 341 
 
Kao Soap Company, Ltd.
 patents
bronzeMedal2 out of 16 
 
Japan Hydrazine Co., Ltd.
 patents
4. 1 out of 677 
 
Eisai Company, Limited
 patents
5. 1 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
where one patent can have more than one assignee

Years Active: 1978-1998

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Areas of Expertise:
Herbicide
Biocide
Activator
Germicide
Insecticide
Acaracide
Miticide
Oral Cavity Composition
Plant Growth Regulator
Bactericidal Composition
Phosphate Activators
Emulsifying Dispersant
33 patents (USPTO):Explore Patents
1. 5763462 - Activator for herbicide (1998-06-09),
2. 5656616 - Activator for insecticide (1997-08-12),
3. 5654291 - Activator for biocide (1997-08-05),
4. 5627167 - Activator for herbicide (1997-05-06),
5. 5627166 - Activator for acaracide (1997-05-06),
6. 5618802 - Activator for germicide (1997-04-08),
7. 5612322 - Activator for herbicide (1997-03-18),
8. 5374418 - Composition for use in oral cavity (1994-12-20),
9. 5370865 - Composition for use in oral cavity (1994-12-06),
10. 5354565 - Biocide activator (1994-10-11),
11. 5198012 - Phosphate activators for cyclohexenone herbicides (1993-03-30),
12. 5164179 - Biocide activator (1992-11-17),
13. 5100920 - Miticide (1992-03-31),
14. 5090995 - Aqueous biocide composition stabilized by phthalic acid esters (1992-02-25),
15. 5043008 - Activator for biocide (1991-08-27),

Title: The Inventor Extraordinaire: Tetsuji Iwasaki

Introduction: Tetsuji Iwasaki, a prolific inventor hailing from Wakayama, JP, is a trailblazer in the field of herbicides and insecticides. With an impressive portfolio of 33 patents to his name, his innovative contributions have revolutionized the agricultural sector.

Latest Patents: Among his latest patents is the groundbreaking "Activator for Herbicide," a herbicidal composition that incorporates a unique herbicide activator. Additionally, he has developed an "Activator for Insecticide," which enhances the efficacy of insecticidal compositions through specialized activators.

Career Highlights: Throughout his illustrious career, Tetsuji Iwasaki has lent his expertise to esteemed companies such as Kao Corporation and Kao Soap Company, Ltd. His groundbreaking research and inventions have not only bolstered the companies' portfolios but have also elevated industry standards in agricultural practices.

Collaborations: Collaborating with esteemed professionals like Yuichi Hioki and Tsuneyuki Takeno, Tetsuji Iwasaki has fostered a culture of innovation and excellence. Together, they have spearheaded numerous projects that have pushed the boundaries of agricultural technology.

Conclusion: In conclusion, Tetsuji Iwasaki's inventive spirit and dedication to advancing agricultural practices have solidified his position as a visionary in the field. His patents stand as a testament to his unwavering commitment to innovation, and his collaborations continue to inspire the next generation of inventors.

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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