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For the Inventor, By the Inventor

Osaka, Japan

Norihisa Yamashita

USPTO Granted Patents = 11

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 56(Granted Patents)


Location History:

  • Takarazuka, JA (1978)
  • Takarazuka, JP (1978 - 1987)
  • Osaka, JP (1988 - 1990)

Company Filing History:

goldMedal11 out of 6,896 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1978-1990

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11 patents (USPTO):Explore Patents
1. 4927827 - Pyridinylpyrimidine derivatives, method for production thereof and a (1990-05-22),
2. 4873248 - Pyridinylpyrimidines having fungicidal activity (1989-10-10),
3. 4868178 - Pyridinyl-s-triazine derivatives (1989-09-19),
4. 4783466 - Novel pyridinylpyrimidine derivatives, method for production thereof and (1988-11-08),
5. 4769376 - Certain tri- or tetra-substituted pyridyl-1,2,4-triazoles useful as (1988-09-06),
6. 4752608 - Fungicidal pyridinylpyrimidine derivatives (1988-06-21),
7. 4670451 - Benzoxazolone-2 compounds and fungicidal use thereof (1987-06-02),
8. 4353916 - Benzothiazol-2-ones and phytopathogenic fungicidal use thereof (1982-10-12),
9. 4349554 - Method of using carbostyril derivatives as plant fungicides (1982-09-14),
10. 4110466 - Oxyindole compound (1978-08-29),
11. 4081267 - Pyridyltriazinone herbicidal compositions (1978-03-28),

Title: The Innovative Contributions of Norihisa Yamashita

Introduction

Norihisa Yamashita, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of chemical innovation. With a total of 11 patents to his name, Yamashita has focused on the development of fungicidal compounds that display exceptional efficacy.

Latest Patents

Yamashita's recent patents include groundbreaking work on pyridinylpyrimidine derivatives. One of his notable inventions is a novel pyridinylpyrimidine derivative that not only presents a specific formula but also outlines an effective method for its production. This innovative compound acts as a potent fungicide, showcasing his dedication to advancing agricultural chemical solutions. His patents emphasize the importance of pyridinylpyrimidines in combating fungicidal challenges.

Career Highlights

Norihisa Yamashita has developed a robust career at Sumitomo Chemical Company, Limited, a leading corporation in the chemical industry. Throughout his tenure, he has dedicated himself to innovation and has been recognized for his significant contributions to the field. His work not only enhances the company's portfolio but also supports agricultural advancements worldwide.

Collaborations

In his professional journey, Yamashita has collaborated with noteworthy colleagues, including Satoru Inoue and Tsuguhiro Katoh. These partnerships emphasize the collaborative nature of research and development within the chemical industry, fostering an environment where innovative ideas can flourish.

Conclusion

Norihisa Yamashita's contributions to the field of chemical innovations, particularly in fungicidal compounds, highlight his expertise and commitment to advancing agricultural solutions. His work at Sumitomo Chemical Company, Limited, along with his collaborations, showcases the power of innovation to address real-world challenges. As he continues to push the boundaries of science and technology, his inventions will likely have a lasting impact on the industry.

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