Masaaki Nagasawa

This inventor holds 13 USPTO granted patents, plus 4 CIPO patents and 4 EPO patents. Top assignee: Zeria Pharmaceutical Co., Ltd.. Active years: 1995-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Nagasawa. Retrieved from https://idiyas.com/inventor/masaaki-nagasawa

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

USPTO Granted Patents = 13

% Patents Active = 84.6

CIPO Patents = 4

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 5.3

ph-index = 2

Forward Citations = 29(Granted Patents)

Location History:

Konan, JP (1995)
Osato-gun, JP (2001)
Konan-machi, JP (1999 - 2004)
Saitama, JP (2005 - 2007)
Tokyo, JP (2012 - 2013)
Chuo-ku, JP (2013 - 2015)

Company Filing History:

13 out of 45

Zeria Pharmaceutical Co., Ltd.

patents

Years Active: 1995-2015

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9000163 - Method for producing aminothiazole derivative and production intermediate (2015-04-07),

2. 8841461 - Method for producing aminothiazole derivative and production intermediate (2014-09-23),

3. 8772528 - Method for producing aminothiazole derivative and production intermediate (2014-07-08),

4. 8586761 - Method for producing aminothiazole derivative and production intermediate (2013-11-19),

5. 8501772 - 3,8-diaminotetrahydroquinoline derivative (2013-08-06),

6. 8299255 - 3,8-diaminotetrahydroquinoline derivative (2012-10-30),

7. 7276511 - Benzylamine derivative (2007-10-02),

8. 6884810 - Benzimidazole derivatives (2005-04-26),

9. 6673368 - Colonic motor dysfunction remedies comprising aminothiazole derivatives as active ingredients (2004-01-06),

10. 6197970 - Process for producing 2-hydroxybenzamide derivatives (2001-03-06),

11. 6121301 - Substituted benzoylaminothiazole derivatives and drugs containing the (2000-09-19),

12. 5981557 - Aminothiazole derivative, medicament containing the same, and (1999-11-09),

13. 5432179 - Piperazine derivatives and pharmaceuticals containing the same (1995-07-11),

Title: Masaaki Nagasawa: Innovator in Aminothiazole Derivatives

Introduction

Masaaki Nagasawa is a prominent inventor based in Chuo-ku, Japan. He has made significant contributions to the field of chemistry, particularly in the production of aminothiazole derivatives. With a total of 13 patents to his name, Nagasawa has established himself as a key figure in his area of expertise.

Latest Patents

One of his latest patents involves a method for producing aminothiazole derivatives and production intermediates. This innovative method focuses on the selective demethylation of a 2-methoxy group. Specifically, it provides a production method for a compound represented by a specific formula through a series of reactions. This advancement showcases Nagasawa's commitment to enhancing chemical production processes.

Career Highlights

Throughout his career, Masaaki Nagasawa has worked with notable companies, including Zeria Pharmaceutical Co., Ltd. His experience in the pharmaceutical industry has allowed him to apply his innovative ideas to real-world applications, contributing to advancements in drug development and production.

Collaborations

Nagasawa has collaborated with esteemed colleagues such as Kazuyasu Asami and Ryu Nakao. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and further innovation in their field.

Conclusion

Masaaki Nagasawa's contributions to the field of chemistry, particularly in the production of aminothiazole derivatives, highlight his innovative spirit and dedication to advancing scientific knowledge. His work continues to impact the pharmaceutical industry positively.

Profile summary based on public USPTO records.