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For the Inventor, By the Inventor

Tokushima, Japan

Shigeharu Tamada

This inventor holds 14 USPTO granted patents. Top assignee: Otsuka Pharmaceutical Company, Limited. Active years: 1976-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeharu Tamada. Retrieved from https://idiyas.com/inventor/shigeharu-tamada

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 9

Forward Citations = 251(Granted Patents)


Location History:

  • Tokushima, JA (1976 - 1978)
  • Tokushima, JP (1979 - 1994)

Company Filing History:

goldMedal14 out of 846 
 
Otsuka Pharmaceutical Company, Limited
 patents

Years Active: 1976-1994

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14 patents (USPTO):Explore Patents
1. 5306719 - Carbostyril derivatives and salts thereof (1994-04-26),
2. 5238938 - Indole derivatives (1993-08-24),
3. 5137889 - Dihydropyridine derivatives and process for preparing the same (1992-08-11),
4. 5071856 - Carbostyril derivatives and salts thereof (1991-12-10),
5. 5034395 - Novel dihydropyridine derivatives (1991-07-23),
6. 4886809 - Carbostyril derivatives and salts thereof (1989-12-12),
7. 4564619 - Carbostyril derivative (1986-01-14),
8. 4223137 - Carbostyril derivatives and process for preparing the same (1980-09-16),
9. 4145542 - 5-�1-Hydroxy-2-(heterocyclic-amino)!alkyl-8-hydroxy-3,4-dihydrocarb (1979-03-20),
10. 4068076 - 5-(1-Hydroxy-2-(heterocyclic (1978-01-10),
11. 4026897 - 5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxycarbostyril derivatives (1977-05-31),
12. 4022776 - 5-[1-Hydroxy-2-(substituted-amino)]ethyl-8-hydroxycarbostyril derivatives (1977-05-10),
13. 3994901 - 5-[1-Hydroxy-2-(s (1976-11-30),
14. 3975391 - 5-[1-Hydroxy-2-(substituted-amino)]ethyl-8-hydroxy-3,4-dih (1976-08-17),

Title: Shigeharu Tamada: Innovator in Pharmacological Research

Introduction

Shigeharu Tamada is a prominent inventor based in Tokushima, Japan. He has made significant contributions to the field of pharmacology, particularly through his innovative research and development of novel compounds. With a total of 14 patents to his name, Tamada's work has the potential to impact various clinical applications.

Latest Patents

Tamada's latest patents include groundbreaking work on carbostyril derivatives and indole derivatives. The carbostyril derivatives and salts he developed exhibit useful pharmacological activities, such as increasing myocardial contraction and coronary blood flow, while also demonstrating low toxicity and minimal side effects on the central nervous system. His indole derivatives possess an inhibitory effect against superoxide released from macrophage cells and show promise in treating autoimmune diseases, arteriosclerosis, and renal insufficiency.

Career Highlights

Throughout his career, Tamada has been associated with Otsuka Pharmaceutical Company, Limited, where he has been able to apply his innovative ideas in a collaborative environment. His research has led to advancements in the understanding and treatment of various medical conditions, showcasing his dedication to improving patient outcomes.

Collaborations

Tamada has worked alongside notable colleagues, including Kazuyuki Nakagawa and Shiro Yoshizaki. Their collaborative efforts have contributed to the success of their research projects and the development of new therapeutic agents.

Conclusion

Shigeharu Tamada's contributions to pharmacological research through his patents and collaborations highlight his role as an influential inventor in the field. His innovative work continues to pave the way for advancements in medical treatments and therapies.

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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