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For the Inventor, By the Inventor

Mobara, Japan

Nobuyuki Fukazawa

This inventor holds 22 USPTO granted patents, primarily in Pharmaceutical Chemistry. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Mitsui Toatsu Kagaku Kabushiki Kaisha, Mitsui Chemicals, Inc.. Active years: 1981-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Fukazawa. Retrieved from https://idiyas.com/inventor/nobuyuki-fukazawa

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

USPTO Granted Patents = 22

% Patents Active = 90.9

Average Co-Inventor Count = 4.6

ph-index = 6

Forward Citations = 141(Granted Patents)


Location History:

  • Kanagawa, JP (1985 - 1991)
  • Yokohama, JP (1981 - 1995)
  • Mobara, JP (1992 - 1996)
  • Tokyo, JP (2004)
  • Chiba, JP (2002 - 2006)

Company Filing History:

goldMedal15 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal4 out of 7 
 
Mitsui Toatsu Kagaku Kabushiki Kaisha
 patents
bronzeMedal3 out of 1,817 
 
Mitsui Chemicals, Inc.
 patents

Years Active: 1981-2006

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Areas of Expertise:
Pharmaceutical Preparations
Quinoline Derivatives
Dihydrocaffeic Acid
Cytidine Derivatives
Anticancer Compounds
Heterocyclic Compounds
Benzothiazepine Derivatives
Pyridazinone Derivatives
Glycide Derivative
1-Phosphorylated Sugar Derivative
Trifluorothymidine Derivatives
Cephalosporins
22 patents (USPTO):Explore Patents
1. 7038039 - Process for selectively producing 1-phosphorylated sugar derivative anomer and process for producing nucleoside (2006-05-02),
2. 6822090 - Process for the preparation of cytidine derivatives (2004-11-23),
3. 6423852 - Process for the preparation of trifluorothymidine derivatives (2002-07-23),
4. 5532349 - Process for producing (1996-07-02),
5. 5463061 - Process for production of glycide derivative (1995-10-31),
6. 5434155 - Quinoline derivative fumarates (1995-07-18),
7. 5405843 - Quinoline derivatives (1995-04-11),
8. 5338745 - Amide derivatives of dihydrocaffeic acid and their application to (1994-08-16),
9. 5290793 - Dihydrocaffeic acid derivatives and pharmaceutical preparation (1994-03-01),
10. 5232923 - Catechol derivatives and pharmaceutical preparations containing same (1993-08-03),
11. 5204348 - Heterocyclic compounds and anticancer-drug potentiaters conaining them (1993-04-20),
12. 5116979 - Dihydrocaffeic acid derivatives and pharmaceutical preparations (1992-05-26),
13. 5112817 - Quinoline derivatives (1992-05-12),
14. 5047545 - 2-alkoxycarbonyl-4-(4-pyridyl)cyclohexanones and process for preparing (1991-09-10),
15. 4965263 - 6-acylaminophenyl-5-alkyl-4,5-dihydro-3(2H)-pyridazinone compounds (1990-10-23),

Title: Nobuyuki Fukazawa: A Pioneer in Sugar Derivatives and Nucleoside Innovations

Introduction

Nobuyuki Fukazawa, based in Mobara, Japan, is an accomplished inventor with a remarkable portfolio that includes 22 patents. His innovative work primarily focuses on the selective production of sugar derivatives and nucleosides, contributing significantly to the field of chemical engineering and biotechnology.

Latest Patents

Among Fukazawa's latest patents is a groundbreaking process for selectively producing a 1-phosphorylated sugar derivative anomer. This innovative method allows for the phosphorolysis and isomerization of an anomer mixture of a 1-phosphorylated saccharide derivative while crystallizing one of the isomers to effectively displace the equilibrium. Additionally, he developed a process to prepare nucleosides from the 1-phosphorylated saccharide derivative and a base, achieving improved stereoselectivity and a higher yield. Another notable patent describes an efficient method for synthesizing cytidine derivatives by utilizing a tertiary amine, addressing previous drawbacks in the production process.

Career Highlights

Fukazawa has made significant strides in his career through his work with prestigious companies such as Mitsui Toatsu Chemicals, Incorporated and Mitsui Toatsu Kagaku Kabushiki Kaisha. His innovations have not only enhanced the efficiency of chemical processes but have also paved the way for advancements in biochemistry and pharmacology.

Collaborations

Throughout his career, Fukazawa has collaborated with notable colleagues, including Hajime Iizuka and Kengo Otsuka. These partnerships have fostered a rich exchange of ideas and creativity, further driving the advancements in their respective fields.

Conclusion

Nobuyuki Fukazawa stands out as a leading inventor in the domain of sugar derivatives and nucleosides. His extensive patent portfolio reflects his dedication to innovation and his ability to address complex challenges in chemical processes. As he continues to contribute to this vital field, Fukazawa’s work remains instrumental in shaping the future of biochemistry and related industries.

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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