Hisao Nakai

This inventor holds 25 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 1 EPO patent, primarily in Pharmaceutical Chemistry. Top assignees: Ono Pharmaceutical Co., Ltd., Ono Pharmaceuticals Co., Ltd.. Active years: 1977-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Nakai. Retrieved from https://idiyas.com/inventor/hisao-nakai

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

USPTO Granted Patents = 25 (Patent Applications = 1)

% Patents Active = 68.0

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 1

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 134(Granted Patents)

Location History:

Ibaragi, JA (1977)
Takatau-ku, JP (1981)
Takatsuki, JP (1978 - 1993)
Mishima, JP (1995 - 1997)
Mishima-gun, JP (2001 - 2010)
Oasaka, JP (2010)
Osaka, JP (2011)

Company Filing History:

24 out of 575

Ono Pharmaceutical Co., Ltd.

patents

1 out of 22

Ono Pharmaceuticals Co., Ltd.

patents

Years Active: 1977-2011

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Areas of Expertise:

Nitrogen-Containing Compounds

Heterocyclic Compounds

Piperidine Derivatives

Tricyclic Compounds

Leukotriene Antagonists

Tryptase Inhibitors

Cinnamoylamide Derivatives

Prostaglandin Analogues

Benzoylaminophenoxybutanoic Acid

Pharmaceutical Applications

Active Ingredients

Novel Derivatives

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7968572 - Nitrogen-containing heterocyclic compound and pharmaceutical application thereof (2011-06-28),

2. 7807688 - Tri-heterocyclic compounds and a pharmaceutical comprising them as an active ingredient (2010-10-05),

3. 7713998 - Nitrogenous heterocyclic compound and pharmaceutical use thereof (2010-05-11),

4. 7649095 - Piperidine derivatives and agent comprising the derivative as active ingredient (2010-01-19),

5. 7459459 - Tri-heterocyclic compounds and a pharmaceutical comprising them as an active ingredient (2008-12-02),

6. 7378428 - Nitrogen-containing bicyclic compounds and drugs containing the same as the active ingredient (2008-05-27),

7. 7109342 - Piperidine derivatives and agent comprising the derivative as active ingredient (2006-09-19),

8. 7034153 - Tricyclic and heterocyclic derivative compounds and drugs containing these compounds as the active ingredient (2006-04-25),

9. 6583177 - Leukotriene B4 antagonist compounds and method for treatment (2003-06-24),

10. 6388122 - Tryptase inhibitor and novel guanidino derivatives (2002-05-14),

11. 6262114 - Leukotriene B4 antagonist compounds and method for treatment (2001-07-17),

12. 5622984 - Amidinophenol derivatives (1997-04-22),

13. 5614555 - Amidinophenol derivatives (1997-03-25),

14. 5514713 - Amidinophenol derivatives (1996-05-07),

15. 5432178 - Amidinophenol derivatives (1995-07-11),

Title: The Innovative Contributions of Hisao Nakai

Introduction

Hisao Nakai, a prominent inventor from Mishima-gun, Japan, has made significant strides in the field of pharmaceuticals with a total of 25 patents to his name. His groundbreaking work focuses on nitrogen-containing heterocyclic compounds and their pharmaceutical applications, reflecting his dedication to advancing medical science and improving human health.

Latest Patents

Among Hisao Nakai's latest inventions are two noteworthy patents. The first patent involves a nitrogen-containing heterocyclic compound aimed at offering a solution for various psychological and physical disorders. This compound is characterized by a complex formula that showcases its potential in treating conditions such as depression, anxiety, eating disorders, post-traumatic stress disorder, peptic ulcers, irritable bowel syndrome, Alzheimer’s disease, drug addiction, and alcohol dependence syndrome.

The second patent revolves around tri-heterocyclic compounds, which serve as active ingredients in pharmaceuticals. These compounds are designed with specific structural variations that enhance their medicinal properties, demonstrating Nakai's focus on innovative and effective drug development.

Career Highlights

Throughout his career, Hisao Nakai has collaborated with esteemed organizations, including Ono Pharmaceutical Co., Ltd., where he applied his expertise in pharmaceuticals to develop novel therapeutics. His work has positioned him as a notable figure in the pharmaceutical industry, wherein his patents contribute substantially to ongoing research and development efforts.

Collaborations

Nakai has had the privilege of working alongside talented individuals such as Hiroshi Terashima and Yoshinobu Arai. These collaborations have not only fostered innovation but have also enhanced the quality and impact of Nakai's research, making significant contributions to the field of pharmaceuticals.

Conclusion

Hisao Nakai's dedication to innovation in pharmaceutical science has led to the development of numerous patents that address critical health issues. His latest work with nitrogen-containing heterocyclic compounds exemplifies the intersection of chemistry and medicine, aiming to provide therapeutic solutions for various disorders. As an inventor, Nakai's contributions continue to shape the future of pharmaceuticals and inspire future generations of researchers and inventors.

Profile summary based on public USPTO records.