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For the Inventor, By the Inventor

Sawara, Japan

Takeshi Kotsugai

This inventor holds 6 USPTO granted patents. Top assignee: Ss Pharmaceutical Co., Ltd.. Active years: 1993-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Kotsugai. Retrieved from https://idiyas.com/inventor/takeshi-kotsugai

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 31(Granted Patents)


Location History:

  • Narita, JP (1993 - 1994)
  • Sawara, JP (1998 - 2001)

Company Filing History:

goldMedal6 out of 90 
 
Ss Pharmaceutical Co., Ltd.
 patents

Years Active: 1993-2001

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6 patents (USPTO):Explore Patents
1. 6171520 - Reagents for labeling SH groups, process for the preparation of them and method for labeling with them (2001-01-09),
2. 6103538 - Colloidal gold immunoassay method (2000-08-15),
3. 5707878 - Method for detecting blood component using conidiobolus hemagglutinin (1998-01-13),
4. 5300517 - Piperidine compounds having anti-acetylcholinesterase activity (1994-04-05),
5. 5240934 - Quinoline derivatives (1993-08-31),
6. 5190951 - Quinoline derivatives (1993-03-02),

Title: The Innovations of Takeshi Kotsugai

Introduction

Takeshi Kotsugai is a prominent inventor based in Sawara, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of innovative reagents and methods for labeling. With a total of 6 patents to his name, Kotsugai continues to push the boundaries of scientific research and application.

Latest Patents

Among his latest patents are groundbreaking inventions such as reagents for labeling SH groups and a process for their preparation. These SH-labeling reagents contain acridine compounds, which are represented by a specific formula. Additionally, he has developed a colloidal gold immunoassay method, which enhances the accuracy and efficiency of immunoassays in various applications.

Career Highlights

Kotsugai's career is marked by his dedication to advancing pharmaceutical technologies. He works at Ss Pharmaceutical Co., Ltd., where he collaborates with other talented professionals to innovate and improve existing methodologies. His work has not only contributed to the scientific community but has also had practical implications in the pharmaceutical industry.

Collaborations

Throughout his career, Kotsugai has collaborated with notable colleagues, including Hiroshi Hasegawa and Kazuo Isomae. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of new technologies.

Conclusion

Takeshi Kotsugai's contributions to the field of pharmaceuticals through his innovative patents and collaborative efforts highlight his importance as an inventor. His work continues to inspire advancements in scientific research and application.

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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