Toshihito Kumagai

This inventor holds 24 USPTO granted patents and 1 published patent application, plus 7 CIPO patents, primarily in Organic Chemistry. Top assignees: Taisho Pharmaceutical Co., Ltd., Nihon Nohyaku Co., Ltd., Nissan Chemical Industries Limited. Active years: 1999-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihito Kumagai. Retrieved from https://idiyas.com/inventor/toshihito-kumagai

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

USPTO Granted Patents = 24 (Patent Applications = 1)

% Patents Active = 41.7

CIPO Patents = 7 (Patent Applications = 9)

Average Co-Inventor Count = 5.3

ph-index = 6

Forward Citations = 139(Granted Patents)

Location History:

Saitama, JP (2004)
Tokyo, JP (1999 - 2009)
Toshima-ku, JP (2011 - 2014)

Company Filing History:

18 out of 314

Taisho Pharmaceutical Co., Ltd.

patents

1 out of 183

Nihon Nohyaku Co., Ltd.

patents

1 out of 1,235

Nissan Chemical Industries Limited

patents

4. 6 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1999-2014

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Areas of Expertise:

Fluorinated Compounds

Heterocycles

Carboxylic Acid Derivatives

Aminopyrrolidine

Arylpiperidine

Tetrahydropyridine

Dicarboxylic Acid

Nitrogen-Containing Compounds

Optically Active Compounds

Intermediates

Heteroaromatic Derivatives

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8642777 - Process for producing 3-alkoxy-2-amino-6-fluorobicyclo [3.1.0] hexane-2,6-dicarboxylic acid derivative and intermediate thereof (2014-02-04),

2. 8044068 - Aminopyrrolidine compound (2011-10-25),

3. 7601734 - Cyclic amine compound (2009-10-13),

4. 7528124 - 1,3-dihydro-2H-indol-2-one derivative (2009-05-05),

5. 7160900 - Tetrahydropyridino or piperidino heterocyclic derivatives (2007-01-09),

6. 6894168 - Carbamoyl tetrahydropyridine derivatives (2005-05-17),

7. 6852732 - Tetrahydropyridino or piperidino heterocylic derivatives (2005-02-08),

8. 6825375 - Intermediate and process for producing fluorinated carboxylic acid derivative from the same (2004-11-30),

9. 6806275 - Arylpiperidine derivatives and use thereof (2004-10-19),

10. 6770676 - Dicarboxylic acid derivatives (2004-08-03),

11. 6600038 - Carbamoyl tetrahydropyridine derivatives (2003-07-29),

12. 6500958 - Carboxylic acid derivatives and process for producing the same (2002-12-31),

13. 6479674 - Carboxylic acid derivatives and process for producing same (2002-11-12),

14. 6407121 - Arylpiperidine derivatives and use thereof (2002-06-18),

15. 6392086 - Intermediates and process for producing fluorine-containing amino acid compound by using the same (2002-05-21),

Title: The Innovative Mind of Toshihito Kumagai

Introduction: Toshihito Kumagai is a pioneering inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Toshihito Kumagai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Kumagai has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Toshihito Kumagai has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Toshihito Kumagai's relentless pursuit of innovation and his passion for pushing the boundaries of technology make him a true visionary in the world of inventors. His impact on the field will continue to inspire future generations of inventors and innovators.

Profile summary based on public USPTO records.