Atsushi Kamada

This inventor holds 16 USPTO granted patents and 1 published patent application, plus 7 CIPO patents and 8 EPO patents, primarily in Pharmaceutical Chemistry. Top assignees: Eisai R&d Management Co., Ltd., Eisai Company, Limited, Eisai R&D Management Co., Ltd.. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Kamada. Retrieved from https://idiyas.com/inventor/atsushi-kamada-wb1kbr6p

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

Calculating rank

USPTO Granted Patents = 16 (Patent Applications = 1)

% Patents Active = 56.3

CIPO Patents = 7

EPO Patents = 8 (Patent Applications = 2)

Average Co-Inventor Count = 7.7

ph-index = 7

Forward Citations = 246(Granted Patents)

Location History:

Ibaraki, JP (2001 - 2004)
Ushiku, JP (2007)
Tsukuba, JP (2009 - 2013)

Company Filing History:

9 out of 530

Eisai R&d Management Co., Ltd.

patents

6 out of 677

Eisai Company, Limited

patents

1 out of 13

Eisai R&D Management Co., Ltd.

patents

Years Active: 2001-2026

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Areas of Expertise:

Monocyclic Pyridine

Selective Estrogen Receptor Modulator

Phenoxypyridine Derivatives

Indole Derivative

Water-Soluble Azole Prodrugs

Crystalline Form

2-Iminoimidazole Derivatives

Benzopiperidine Derivatives

Phthalazine Compounds

Erectile Dysfunction

Carbapenem Intermediates

Stereoselective Manufacturing

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12729191 - Production method for synthetic intermediate of monocyclic pyridine derivative (2026-09-08),

2. 8399520 - Selective estrogen receptor modulator (2013-03-19),

3. 8377938 - Phenoxypyridine derivative salts and crystals thereof, and process for preparing the same (2013-02-19),

4. 8110688 - Method for producing indole derivative having piperidine ring (2012-02-07),

5. 7960412 - Selective estrogen receptor modulator (2011-06-14),

6. 7803949 - Process for preparation of water-soluble azole prodrugs (2010-09-28),

7. 7790885 - Process for preparing phenoxypyridine derivatives (2010-09-07),

8. 7612208 - Crystalline form of the salt of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide or the solvate of the salt and a process for preparing the same (2009-11-03),

9. 7612114 - Selective estrogen receptor modulator (2009-11-03),

10. 7304083 - 2-iminoimidazole derivatives (2) (2007-12-04),

11. 7244730 - 2-iminopyrrolidine derivatives (2007-07-17),

12. 6699870 - Phthalazine compounds and therapeutic agents for erectile dysfunction (2004-03-02),

13. 6518423 - Benzopiperidine derivatives (2003-02-11),

14. 6498159 - Phthalazine derivatives and remedies for erectile dysfunction (2002-12-24),

15. 6372914 - Intermediates useful for the manufacture of carbapenem and a stereoselective manufacturing method therefor (2002-04-16),

Title: **Atsushi Kamada: A Pioneer in Antitumor Innovations**

Introduction

Atsushi Kamada, based in Tsukuba, Japan, is an accomplished inventor with a remarkable portfolio of 15 patents. His innovative contributions primarily focus on the development of pharmaceutical compounds that serve critical functions in cancer treatment.

Latest Patents

Among Atsushi Kamada's latest patents is a selective estrogen receptor modulator, which introduces a compound represented by a complex formula designed for therapeutic applications. This innovation includes elements such as a bivalent heterocyclic group and phenylene structures, demonstrating potential as an anti-tumor agent and an angiogenesis inhibitor. His work also encompasses phenoxypyridine derivative salts and crystals that exhibit HGFR inhibitory activity, showcasing exceptional properties including solubility and safety, further establishing their utility in combating various types of tumors.

Career Highlights

Atsushi's career has been enriched by his tenure with renowned institutions like Eisai R&D Management Co., Ltd. and Eisai Company, Limited. His role in these companies has allowed him to advance his research and translate innovative concepts into patentable technologies that address pressing medical needs.

Collaborations

Throughout his career, Atsushi has collaborated with notable colleagues, including Fumihiro Ozaki and Kazumasa Nara. These partnerships have facilitated a dynamic exchange of ideas and expertise, enhancing the quality and depth of his research.

Conclusion

Atsushi Kamada stands as a pivotal figure in the realm of pharmaceutical innovation. With his significant contributions to antitumor compounds and ongoing collaborations, he continues to impact the medical field profoundly, fostering advancements that hold promise for improved cancer therapies.

Profile summary based on public USPTO records.