Masami Kusaka

This inventor holds 14 USPTO granted patents and 2 published patent applications, plus 3 CIPO patents and 6 EPO patents. Top assignees: Takeda Pharmaceutical Company Limited, Takeda Chemical Industries, Inc.. Active years: 2003-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Kusaka. Retrieved from https://idiyas.com/inventor/masami-kusaka

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

USPTO Granted Patents = 14 (Patent Applications = 2)

% Patents Active = 57.1

CIPO Patents = 3

EPO Patents = 6 (Patent Applications = 2)

Average Co-Inventor Count = 4.5

ph-index = 6

Forward Citations = 142(Granted Patents)

Location History:

Hyogo, JP (2005)
Kobe, JP (2003 - 2013)
Osaka, JP (2007 - 2020)

Company Filing History:

11 out of 1,226

Takeda Pharmaceutical Company Limited

patents

3 out of 1,858

Takeda Chemical Industries, Inc.

patents

Years Active: 2003-2020

Loading Chart...

14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10668260 - Microneedle patch (2020-06-02),

2. 9346822 - Thienopyrimidine compounds and use thereof (2016-05-24),

3. 8518890 - Remedies for sex hormone dependent disease (2013-08-27),

4. 8058280 - Substituted thieno[2,3-d]pyrimidin-2,4-dione compounds and uses thereof (2011-11-15),

5. 7649001 - Fused benzene derivative and use (2010-01-19),

6. 7569570 - Thienopyrimidines, process for preparing the same and use thereof (2009-08-04),

7. 7300935 - Thienopyrimidine compounds and use thereof (2007-11-27),

8. 7141598 - Imidazole derivatives, production method thereof and use thereof (2006-11-28),

9. 7084149 - Naphthalene derivatives, their production and use (2006-08-01),

10. 7067537 - Substituted thiazole derivatives bearing 3-pyridyl groups, process for preparing the same and use thereof (2006-06-27),

11. 6960586 - Imidazole derivatives, process for their preparation and their use (2005-11-01),

12. 6649643 - Imidazol-4-ylmehanols and their use as inhibitors of steroid C17-20 lyase (2003-11-18),

13. 6573289 - Naphthalene derivatives, their production and use (2003-06-03),

14. 6518257 - 1-substituted phenyl-1-(1h-imidazol-4-yl) alcohols, process for producing the same and use thereof (2003-02-11),

Title: **Masami Kusaka: Innovator in Microneedle Technology**

Introduction

Masami Kusaka, based in Kobe, Japan, has made significant contributions to the field of medical technology. With a noteworthy portfolio of 14 patents, his innovative spirit is evident in his developments, particularly in microneedle patches that aim to enhance patient care and simplify drug delivery.

Latest Patents

Kusaka's latest patents include a groundbreaking microneedle patch designed to address the challenges of microneedle production and the burdens placed on health professionals and patients. This invention features numerous drug-carrying microprojections that rest on a support sheet. Each microprojection has an in vivo soluble drug layer at its top and an intermediate polymeric layer for proper adhesion. The unique arrangement allows different types of drugs to be applied simultaneously, improving treatment efficacy.

Another of his recent innovations revolves around thienopyrimidine compounds, which are characterized by specific structural formulas involving alkyl and heterocyclic groups. These compounds have shown promise as antagonists of gonadotropin-releasing hormone, paving the way for advancements in hormone-related therapies.

Career Highlights

Over the years, Masami Kusaka has been associated with several prominent organizations, including Takeda Pharmaceutical Company Limited and Takeda Chemical Industries, Inc. His work in these companies has further solidified his reputation as a leading inventor in the pharmaceutical sector.

Collaborations

Throughout his career, Masami Kusaka has collaborated with talented professionals, including Akihiro Tasaka and Takenori Hitaka. These partnerships have likely contributed to the successful development of his innovative products and patents.

Conclusion

Masami Kusaka's dedication to innovation in the medical field, exemplified by his patents and collaborations, showcases his impact on improving drug delivery systems. His inventions, particularly in microneedle technology, hold great promise for the future of healthcare, enhancing patient experience and treatment outcomes.

Profile summary based on public USPTO records.