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For the Inventor, By the Inventor

Kusatsu, Japan

Takahiro Haga

This inventor holds 62 USPTO granted patents and 1 EPO patent, primarily in Herbicide Development (CPC class 5462). Top assignees: Ishihara Sangyo Kaisha, Ltd., The Green Cross Corporation. Active years: 1976-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Haga. Retrieved from https://idiyas.com/inventor/takahiro-haga

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

USPTO Granted Patents = 62

% Patents Active = 96.8


Average Co-Inventor Count = 5.3

ph-index = 12

Forward Citations = 425(Granted Patents)

Forward Citations (Not Self Cited) = 389(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kusatsu, JA (1976 - 1977)
  • Shiga, JP (1985 - 1991)
  • Concord, OH (US) (2000 - 2001)
  • Shiga-ken, JP (2002)
  • Kusatsu, JP (1979 - 2012)

Company Filing History:

goldMedal62 out of 394 
 
Ishihara Sangyo Kaisha, Ltd.
 patents
silverMedal6 out of 264 
 
The Green Cross Corporation
 patents
where one patent can have more than one assignee

Years Active: 1976-2012

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Areas of Expertise:
Herbicide
Triazolopyrimidine
Diaryl Ethers
Pesticide
Sulfonamide
Organophosphorus
Benzoyl Urea
Pharmaceutical Composition
Aminocarbonyl
Fused Tricyclic Compounds
Diaminotrifluoromethylpyridine
Isothiazoles
62 patents (USPTO):Explore Patents
1. 8124760 - Pyridyl-triazolopyrimidine derivative or its salt, pesticide containing it and its production process (2012-02-28),
2. 6770596 - Fused tricyclic compounds, process for their preparation, and herbicidal compositions containing them (2004-08-03),
3. 6455469 - Herbicidal composition (2002-09-24),
4. 6303543 - Diaryl ethers and processes for their preparation and herbicidal and desiccant compositions containing them (2001-10-16),
5. 6300323 - (Poly)ethereal ammonium salts of herbicides bearing acidic moieties and their use as herbicides (2001-10-09),
6. 6121201 - Diaryl ethers and processes for their preparation and herbicidal and (2000-09-19),
7. 5492908 - Diaminotrifluoromethylpyridine derivatives, process for their production (1996-02-20),
8. 5348967 - Diaminotrifluoromethylpyridine derivatives, process for their production (1994-09-20),
9. 5260320 - Diaminotrifluoromethylpyridine compounds and phospholipase A.sub.2 (1993-11-09),
10. 5256674 - Imidazolidine derivatives, process for producing the same and pesticides (1993-10-26),
11. 5229403 - Diaminotrifluoromethylpyridine derivatives and phospholipase A.sub.2 (1993-07-20),
12. 5139565 - Substituted pyridinesulfonamide compounds, and herbicidal compositions (1992-08-18),
13. 5128474 - Mercapto-substituted pyridine compounds, aminocarbonyl-substituted (1992-07-07),
14. 5116949 - Benzoyl urea compound-albumin complex (1992-05-26),
15. 5102884 - Substituted benzoylurea compounds or their salts, processes for their (1992-04-07),

Title: The Innovative Mind of Takahiro Haga

Introduction: Takahiro Haga, a talented inventor hailing from Kusatsu, Japan, is known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takahiro Haga's recent patents include a cutting-edge virtual reality device that has revolutionized the gaming industry, as well as a sustainable energy solution that aims to combat climate change.

Career Highlights: With a career spanning over two decades, Takahiro Haga has worked for several leading tech companies, where he has spearheaded numerous research and development projects. His innovative ideas have led to the successful launch of several products that have garnered international acclaim.

Collaborations: Takahiro Haga is known for his collaborative spirit, having worked with top engineers, designers, and scientists from around the world. His ability to bring together diverse teams and foster creativity has been instrumental in his success as an inventor.

Conclusion: In conclusion, Takahiro Haga's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of technology. His inventive spirit continues to inspire the next generation of inventors and innovators.

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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