Company Filing History:

20 out of 16,458

Fuji Photo Film Company, Limited

Toyama Chemical Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1992-2020

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39 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 10570112 - Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same (2020-02-25),

2. 10428042 - Compound useful for manufacturing salacinol, method for manufacturing the compound, method for manufacturing salacinol, methods for protecting and deprotecting diol group, and protective agent for diol group (2019-10-01),

3. 10093645 - Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same (2018-10-09),

4. 10059686 - Compound useful for manufacturing salacinol, method for manufacturing the compound, method for manufacturing salacinol, methods for protecting and deprotecting diol group, and protective agent for diol group (2018-08-28),

5. 9802913 - Compound useful for manufacturing salacinol, method for manufacturing the compound, method for manufacturing salacinol, methods for protecting and deprotecting diol group, and protective agent for diol group (2017-10-31),

6. 9475835 - Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl) cytosine, synthetic intermediate of thionucleoside, and method for producing the same (2016-10-25),

7. 9221865 - Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same (2015-12-29),

8. 9181203 - Substituted pyrazino[2,3-d]isooxazoles as intermediates for the synthesis of substituted pyrazinecarbonitriles and substituted pyrazinecarboxamides (2015-11-10),

9. 8901302 - Pyrazino[2,3-D]isoxazole derivative which is useful as a production intermediate of pyrazine carboxamide derivative (2014-12-02),

10. 8530583 - Thermo- and/or photo-sensitive material and insulator film made thereof (2013-09-10),

11. 7872164 - Process for producing 4,9-dibromodiamantane (2011-01-18),

12. 7799949 - Tetraphenylmethane skeleton-containing compound (2010-09-21),

13. 7750102 - Insulating film for semiconductor integrated circuit (2010-07-06),

14. 7612155 - Film forming composition, insulating film formed by use of the composition, and electronic device (2009-11-03),

15. 7534292 - Film-forming composition, insulating film obtained from the composition and electronic device having the same (2009-05-19),

Title: The Innovative Contributions of Katsuyuki Watanabe

Introduction: Katsuyuki Watanabe, based in Minami-ashigara, Japan, is a prominent inventor known for his remarkable contributions to the field of synthetic chemistry. With a notable total of 39 patents to his name, Watanabe's work reflects a strong commitment to innovation and excellence, particularly in the development of compounds that have significant implications in pharmaceutical applications.

Latest Patents: Watanabe's latest patents underscore his expertise in synthetic intermediates and the methodologies needed to produce them. One of his key inventions is a synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, which serves as an important building block in the production of thionucleosides. This compound, represented by a specific formula, highlights Watanabe's innovative approach to enhancing the synthesis of essential biological molecules.

Additionally, he has developed a compound useful for manufacturing salacinol along with methods for its production. His work includes methods for protecting and deprotecting diol groups and a protective agent for diol groups. These patents not only showcase his creativity but also provide practical applications that can benefit the pharmaceutical industry and beyond.

Career Highlights: Throughout his career, Watanabe has held positions at notable companies including Fuji Photo Film Company, Limited and Fujifilm Corporation. His experience in these institutions has allowed him to cultivate his skills in research and development, particularly in the field of synthetic compounds.

Collaborations: Watanabe has collaborated with esteemed colleagues such as Yuuta Fujino and Masaru Takasaki, contributing to a dynamic research environment that fosters innovation and progress in the field of chemical synthesis.

Conclusion: Katsuyuki Watanabe's contributions to synthetic chemistry through his numerous patents are a testament to his ingenuity and dedication. His innovative inventions not only advance scientific knowledge but also hold promise for future applications in various industries. As he continues to explore new frontiers in research, the impact of his work will undoubtedly resonate within the scientific community and beyond.

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5 patents (EPO):

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1 patent pending (EPO):

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