Keiko Takahashi

This inventor holds 20 USPTO granted patents and 1 published patent application, plus 4 CIPO patents and 4 EPO patents, primarily in Nitrogen-Containing Compounds. Top assignees: Eisai Company, Limited, Eisai R&d Management Co., Ltd.. Active years: 2002-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiko Takahashi. Retrieved from https://idiyas.com/inventor/keiko-takahashi

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

USPTO Granted Patents = 20 (Patent Applications = 1)

% Patents Active = 50.0

CIPO Patents = 4 (Patent Applications = 5)

EPO Patents = 4

Average Co-Inventor Count = 8.4

ph-index = 9

Forward Citations = 527(Granted Patents)

Location History:

Ushiku, JP (2006 - 2009)
Ibaraki, JP (2002 - 2010)
Tsukuba, JP (2009 - 2013)

Company Filing History:

12 out of 677

Eisai Company, Limited

patents

8 out of 530

Eisai R&d Management Co., Ltd.

patents

Years Active: 2002-2013

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Areas of Expertise:

Phenoxypyridine Derivatives

Integrin Inhibitors

Nitrogen-Containing Aromatic Derivatives

Pyridine Derivatives

Pyrimidine Derivatives

Sulfonamide-Containing Indole Compounds

Isoquinoline Derivatives

Fused Pyridine Derivatives

Cyclic Amine Derivatives

Crystalline Compounds

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8377938 - Phenoxypyridine derivative salts and crystals thereof, and process for preparing the same (2013-02-19),

2. 8288538 - Pyridine derivatives and pyrimidine derivatives (3) (2012-10-16),

3. 7855290 - Pyridine derivatives and pyrimidine derivatives (3) (2010-12-21),

4. 7834049 - Integrin expression inhibitor (2010-11-16),

5. 7754894 - Crystalline sulfonamide-containing indole compound and process for preparing the same (2010-07-13),

6. 7612092 - Nitrogen-containing aromatic derivatives (2009-11-03),

7. 7531532 - Pyridine derivative and pyrimidine derivative (2009-05-12),

8. 7468380 - Nitrogen-containing aromatic derivatives (2008-12-23),

9. 7253286 - Nitrogen-containing aromatic derivatives (2007-08-07),

10. 7109219 - Nitrogen-containing aromatic derivatives (2006-09-19),

11. 7071201 - Quinoline derivatives (2006-07-04),

12. 6875761 - Certain 1,3-disubstituted isoquinoline derivatives (2005-04-05),

13. 6790844 - Certain 1,3-disubstituted isoquinoline derivatives (2004-09-14),

14. 6787534 - Sulfonamide-containing heterocyclic compounds (2004-09-07),

15. 6673787 - Sulfonamide-containing indole compounds (2004-01-06),

Title: The Innovative Journey of Keiko Takahashi

Introduction:

Keiko Takahashi, a pioneering inventor hailing from Ibaraki, Japan, has made significant contributions to the field of technology with her groundbreaking inventions.

Latest Patents:

Keiko Takahashi's latest patents include a cutting-edge wearable device that revolutionizes the healthcare industry by monitoring vital signs in real-time, and a sustainable energy solution that harnesses solar power more efficiently.

Career Highlights:

Throughout her illustrious career, Keiko Takahashi has been recognized for her innovative spirit and dedication to creating solutions that improve people's lives. She has received multiple awards for her inventions, showcasing her commitment to excellence in the field of technology.

Collaborations:

Keiko Takahashi has collaborated with leading research institutions and universities to further develop her inventions. Her partnerships have led to the successful implementation of her ideas in various industries, solidifying her reputation as a visionary inventor.

Conclusion:

In conclusion, Keiko Takahashi's relentless pursuit of innovation and her passion for creating impactful inventions have cemented her legacy as a trailblazer in the world of technology. Her contributions continue to inspire future generations of inventors to push the boundaries of what is possible.

Profile summary based on public USPTO records.