Takenori Hitaka

This inventor holds 17 USPTO granted patents, plus 3 CIPO patents and 2 EPO patents. Top assignees: Takeda Chemical Industries, Inc., Takeda Pharmaceutical Company Limited. Active years: 1979-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takenori Hitaka. Retrieved from https://idiyas.com/inventor/takenori-hitaka

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

USPTO Granted Patents = 17

% Patents Active = 94.1

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 216(Granted Patents)

Location History:

Hyogo, JP (1979 - 1994)
Takarazuka, JP (1992 - 2009)
Osaka, JP (2007 - 2014)
Kanagawa, JP (2014)
Fujisawa, JP (2016)

Company Filing History:

10 out of 1,858

Takeda Chemical Industries, Inc.

patents

7 out of 1,228

Takeda Pharmaceutical Company Limited

patents

Years Active: 1979-2016

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9346822 - Thienopyrimidine compounds and use thereof (2016-05-24),

2. 8883788 - Fused heterocyclic ring compound (2014-11-11),

3. 8735401 - Thienopyrimidine compounds and use thereof (2014-05-27),

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

5. 7569570 - Thienopyrimidines, process for preparing the same and use thereof (2009-08-04),

6. 7300935 - Thienopyrimidine compounds and use thereof (2007-11-27),

7. 7141598 - Imidazole derivatives, production method thereof and use thereof (2006-11-28),

8. 6716863 - Heterocyclic compounds their production and use (2004-04-06),

9. 5539113 - Pyrrolopyrimidine derivatives, their production (1996-07-23),

10. 5496946 - Production of pyrrolopyrimidines and intermediates therefor (1996-03-05),

11. 5496822 - Compounds and methods for treating tumors (1996-03-05),

12. 5354754 - Pyrrolopyrimidines, their production and use (1994-10-11),

13. 5349064 - Production of pyrrolopyrimidines (1994-09-20),

14. 5296600 - Pyrrolopyrimidine derivatives, their production and use (1994-03-22),

15. 5106974 - Pyrrolopyrimidine derivatives (1992-04-21),

Title: Innovations of Takenori Hitaka

Introduction

Takenori Hitaka is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of pharmaceuticals, holding a total of 17 patents. His work primarily focuses on the development of innovative compounds with therapeutic applications.

Latest Patents

Among his latest patents is a series of thienopyrimidine compounds, which are designed to exhibit gonadotropin-releasing hormone antagonistic activity. These compounds are represented by a specific formula, where various substituents can be included to enhance their efficacy. Another notable patent involves a fused heterocyclic ring compound that demonstrates PDE10A inhibitory action, making it useful as a medicament for the prophylaxis or treatment of mental diseases such as schizophrenia.

Career Highlights

Throughout his career, Takenori Hitaka has worked with esteemed organizations such as Takeda Chemical Industries, Inc. and Takeda Pharmaceutical Company Limited. His experience in these companies has allowed him to contribute to groundbreaking research and development in the pharmaceutical industry.

Collaborations

He has collaborated with notable colleagues, including Hiroshi Akimoto and Tetsuo Miwa, to advance his research and innovations in the field.

Conclusion

Takenori Hitaka's contributions to pharmaceutical innovations through his patents and collaborations highlight his significant role in advancing medical science. His work continues to impact the development of new therapeutic options for various health conditions.

Profile summary based on public USPTO records.