logo

For the Inventor, By the Inventor

Tokyo, Japan

Kazuyuki Tomisawa

This inventor holds 27 USPTO granted patents, plus 8 CIPO patents, primarily in Pharmaceutical Chemistry. Top assignees: Taisho Pharmaceutical Co., Ltd., Nihon Nohyaku Co., Ltd., Sagami Chemical Research Center. Active years: 1984-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyuki Tomisawa. Retrieved from https://idiyas.com/inventor/kazuyuki-tomisawa

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

USPTO Granted Patents = 27

% Patents Active = 74.1

 

Average Co-Inventor Count = 5.4

ph-index = 7

Forward Citations = 169(Granted Patents)


Location History:

  • Ina, JP (1996)
  • Tokyo, JP (2000 - 2005)
  • Saitama, JP (1984 - 2007)

Company Filing History:

goldMedal19 out of 314 
 
Taisho Pharmaceutical Co., Ltd.
 patents
silverMedal1 out of 183 
 
Nihon Nohyaku Co., Ltd.
 patents
bronzeMedal1 out of 191 
 
Sagami Chemical Research Center
 patents
4. 8 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1984-2007

Loading Chart...
Loading Chart...
Areas of Expertise:
Amino Acid Derivatives
Heterocycles
Piperidine Compounds
Fluorine-Containing Compounds
Carbamoyl Derivatives
Carboxylic Acid Derivatives
Arylpiperidine Derivatives
Tetracyclic Compounds
Phenoxyaniline Derivatives
Cinnamamide Derivatives
Nitrogen-Containing Compounds
Angiotensin IV Receptor Agonists
27 patents (USPTO):Explore Patents
1. 7279584 - Method for production of cis-4-fluoro-L-proline derivatives (2007-10-09),
2. 6894168 - Carbamoyl tetrahydropyridine derivatives (2005-05-17),
3. 6806275 - Arylpiperidine derivatives and use thereof (2004-10-19),
4. 6600038 - Carbamoyl tetrahydropyridine derivatives (2003-07-29),
5. 6500958 - Carboxylic acid derivatives and process for producing the same (2002-12-31),
6. 6479674 - Carboxylic acid derivatives and process for producing same (2002-11-12),
7. 6476056 - Heterocycle substituted aryloxyaniline derivatives and their use as MDR ligands (2002-11-05),
8. 6407121 - Arylpiperidine derivatives and use thereof (2002-06-18),
9. 6392086 - Intermediates and process for producing fluorine-containing amino acid compound by using the same (2002-05-21),
10. 6380384 - 1,2-dihydro-2-oxoquinoline derivatives (2002-04-30),
11. 6333428 - 6-fluorobicyclo[3.1.0]hexane derivatives (2001-12-25),
12. 6333358 - Aryloxyaniline derivatives (2001-12-25),
13. 6329525 - 1,2-Dihydro-2-oxoquinoline derivatives (2001-12-11),
14. 6316498 - Fluorine-containing amino acid derivatives (2001-11-13),
15. 6291467 - Heteroaromatic derivatives (2001-09-18),

Title: Kazuyuki Tomisawa: A Pioneer in Pharmaceutical Innovations

Introduction

Kazuyuki Tomisawa is an esteemed inventor based in Tokyo, Japan, known for his significant contributions to the pharmaceutical field. With a remarkable portfolio of 27 patents, Tomisawa has developed innovative methods and compounds that have the potential to advance therapeutic solutions and production processes in the industry.

Latest Patents

Among his latest inventions is a method for the production of cis-4-fluoro-L-proline derivatives. This innovative method offers a safer approach for synthesizing the cis-4-fluoro-L-proline derivative under milder conditions, yielding high-purity products on an industrial scale at reduced costs. The process involves reacting a trans-4-hydroxy-L-proline derivative with N,N-diethyl-N-(1,1,2,3,3,3-hexafluoropropyl)amine in the presence of a hydrogen fluoride scavenger.

Additionally, he has developed carbamoyl tetrahydropyridine derivatives, which are represented by a specific chemical formula. These derivatives demonstrate effectiveness in treating diseases associated with Corticotropin-Releasing Factor (CRF), showcasing their potential in pharmaceutical applications.

Career Highlights

Kazuyuki Tomisawa has had a successful career in the pharmaceutical industry, working with notable companies such as Taisho Pharmaceutical Co., Ltd. His innovative mindset and dedication to research have led to significant advancements in drug development and production methodologies.

Collaborations

Throughout his career, Tomisawa has collaborated with distinguished colleagues, including Atsuro Nakazato and Toshihito Kumagai. These partnerships have further enriched his research initiatives, creating a collaborative environment that fosters innovation and success in their endeavors.

Conclusion

Kazuyuki Tomisawa's work exemplifies the impact of innovation in the pharmaceutical field. His patents not only contribute to the advancement of drug development but also represent a commitment to improving production processes, ultimately enhancing the accessibility and efficacy of therapeutic solutions. As he continues his work, Tomisawa remains a pivotal figure in the landscape of pharmaceutical innovation.

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]
Loading…