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For the Inventor, By the Inventor

Osaka, Japan

Ichiro Ishizuka

USPTO Granted Patents = 12

Average Co-Inventor Count = 4.5

ph-index = 6

Forward Citations = 138(Granted Patents)


Location History:

  • Higashinose, JA (1977)
  • Osaka, JA (1977)
  • Higashinose, JP (1978)
  • Osaka, JP (1980 - 1981)
  • Toyono, JP (1989 - 1992)

Company Filing History:

goldMedal12 out of 1,001 
 
Shionogi Company Limited
 patents

Years Active: 1977-1992

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12 patents (USPTO):Explore Patents
1. 5082947 - 3-perfluoroalkyl-5-hydroxyisoxazoles (1992-01-21),
2. 4910326 - .beta.-ketonitrils (1990-03-20),
3. 4888044 - 3-perfluoroalkyl-5-substituted-oxy-isoxazole derivatives, process for (1989-12-19),
4. 4797492 - Polyfluoroalkylisoxazolylamines (1989-01-10),
5. 4293328 - N-(5-t-Butyl-3-isoxazolyl)alkanamide derivatives and herbicidal (1981-10-06),
6. 4256899 - Process for the production of 3-amino-5-t-butylisoxazole (1981-03-17),
7. 4212981 - Process for preparing 3-isoxazolylurea derivatives (1980-07-15),
8. 4186144 - Process for the production of cyanopinacolone (1980-01-29),
9. 4116671 - 3-Isoxazolylcarbamate derivatives (1978-09-26),
10. 4111680 - Herbicidal compositions containing 3-isoxazolylurea derivatives (1978-09-05),
11. 4062861 - 3-Isoxazolylurea derivatives (1977-12-13),
12. 4028376 - 3-Alkylisoxazole derivatives and herbicides containing them (1977-06-07),

Title: Ichiro Ishizuka: Innovator in Fluorinated Compounds

Introduction

Ichiro Ishizuka is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of chemistry, particularly in the development of novel compounds that have applications in pesticides and medicine. With a total of 12 patents to his name, Ishizuka continues to push the boundaries of innovation.

Latest Patents

Among his latest inventions are the 3-perfluoroalkyl-5-hydroxyisoxazoles, which serve as intermediates for synthesizing pesticides and medicinal compounds. This novel compound is characterized by the formula: ##STR1##, where R represents perfluoroalkyl, and R.sup.1 can be hydrogen, alkyl, or optionally substituted phenyl, or a salt thereof. Additionally, he has developed a fluorinated .beta.-ketonitrile, defined by the formula: ##STR1##, where R is an alkyl group with multiple fluorines, and R.sup.1 is either hydrogen or alkyl.

Career Highlights

Ichiro Ishizuka is currently employed at Shionogi & Company Limited, a well-respected pharmaceutical company. His work focuses on the synthesis of innovative chemical compounds that have the potential to revolutionize the industry.

Collaborations

Throughout his career, Ishizuka has collaborated with notable colleagues, including Shinzaburo Sumimoto and Hisajiro Yukinaga. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Ichiro Ishizuka's contributions to the field of chemistry, particularly through his innovative patents, highlight his role as a leading inventor. His work continues to impact the development of essential compounds in various applications.

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