Toshio Fujishita

This inventor holds 20 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents, primarily in Antiviral Compounds. Top assignees: Shionogi Company Limited, Teikoku Hormone Mfg. Co., Ltd.. Active years: 1979-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Fujishita. Retrieved from https://idiyas.com/inventor/toshio-fujishita

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 = 75.0

CIPO Patents = 1 (Patent Applications = 3)

EPO Patents = 2 (Patent Applications = 4)

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 235(Granted Patents)

Location History:

Nishinomiya, JP (1979)
Toyonaka, JP (1980 - 1981)
Neyagawa, JP (1982)
Osaka, JP (1984 - 2017)

Company Filing History:

19 out of 1,001

Shionogi Company Limited

patents

1 out of 44

Teikoku Hormone Mfg. Co., Ltd.

patents

Years Active: 1979-2017

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Areas of Expertise:

Antiviral Agent

HIV Integrase Inhibitor

Heteroaromatic Derivatives

Indole Derivatives

Pyrazolo Derivatives

Aromatic Heterocycles

3-Hydroxy-4-Pyridone

Psychotropic Agents

Condensed Imidazopyridine

Carbonylimidazoquinolines

Thiomethyltriazolobenzodiazepines

Triazolylbenzophenone

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9572813 - Antiviral agent (2017-02-21),

2. 8835461 - Substituted 3-hydroxy-4-pyridone derivative (2014-09-16),

3. 7662826 - Pyrazolo [1,5-a] pyrimidine derivative and nad (p) h oxidase inhibitor containing the same (2010-02-16),

4. 7098201 - Heteroaromatic derivatives having an inhibitory activity against HIV integrase (2006-08-29),

5. 6809101 - Compounds having anti-hepatitis C virus effect (2004-10-26),

6. 6716605 - Indole derivatives having an antiviral activity (2004-04-06),

7. 6645956 - Heteroaromatic derivatives having an inhibitory activity against HIV integrase (2003-11-11),

8. 6620841 - Aromatic heterocycle compounds having HIV integrase inhibiting activities (2003-09-16),

9. 6506787 - Indole derivatives having an antiviral activity (2003-01-14),

10. 6333323 - Indole derivatives with antiviral activity (2001-12-25),

11. 4940714 - 2-substituted carbonylimidazo[4,5-c]quinolines (1990-07-10),

12. 4753951 - Condensed imidazopyridine derivatives useful as psychotropic agents (1988-06-28),

13. 4564623 - Aminoalkylbenzene derivatives (1986-01-14),

14. 4482566 - Substituted aminoalkylbenzene type lower acylamides (1984-11-13),

15. 4309433 - Pyridinecarbonamido-oxy or thio (1982-01-05),

Title: **Toshio Fujishita: Pioneering the Future of Antiviral Innovations**

Introduction

Toshio Fujishita, based in Osaka, Japan, is a distinguished inventor renowned for his significant contributions to the field of antiviral agents. With an impressive portfolio of 20 patents, he continues to make strides in medical research and innovation, focusing on integrase inhibitors and compounds targeting influenza viruses.

Latest Patents

Among his latest innovations, one notable patent is the development of an integrase inhibitor, which is designed to provide antiviral activity through a specific compound formula. This invention highlights the potential for improved treatments in the realm of viral infections. Another significant patent from Fujishita features substituted 3-hydroxy-4-pyridone derivatives, which demonstrate potency in inhibiting the influenza virus, specifically through cap-dependent endonuclease inhibitory activity. These cutting-edge discoveries hold promise for combating viral diseases effectively.

Career Highlights

Throughout his career, Toshio Fujishita has been associated with renowned companies such as Shionogi & Company Limited and Teikoku Hormone Mfg. Co., Ltd. His work in these organizations has allowed him to harness his expertise in antiviral research and contribute to the advancement of medical solutions that benefit society.

Collaborations

Fujishita has collaborated with esteemed colleagues in the field, including Teruyuki Ishiba and Kentaro Hirai. These collaborations are instrumental in facilitating innovative research and development, enhancing the overall efficacy of their projects.

Conclusion

Toshio Fujishita is a prominent figure in the landscape of antiviral research and innovation. With his extensive patent portfolio and dedicated work with various companies, he demonstrates the vital role inventors play in advancing medical science. His contributions continue to inspire future generations of researchers and inventors seeking to innovate for the greater good.

Profile summary based on public USPTO records.