Isao Matsunaga

This inventor holds 22 USPTO granted patents, primarily in Pharmaceutical Chemistry. Top assignees: Chugai Seiyaku Kabushiki Kaisha, Wisconsin Alumni Research Foundation. Active years: 1977-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Matsunaga. Retrieved from https://idiyas.com/inventor/isao-matsunaga

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

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 6.2

ph-index = 6

Forward Citations = 208(Granted Patents)

Location History:

Tokyo, JA (1977)
Tokyo, JP (1979 - 1990)

Company Filing History:

21 out of 987

Chugai Seiyaku Kabushiki Kaisha

patents

1 out of 4,238

Wisconsin Alumni Research Foundation

patents

Years Active: 1977-1990

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Areas of Expertise:

Vitamin D Derivatives

Benzoic Acid Derivatives

Obesity Treatment

Cephalosporin Derivatives

Bronchodilating Composition

Pentaerythritol Derivative

Phenyliperazine Derivatives

Anti-Peptic Ulcer Agent

Circulatory Diseases

Steroid Derivatives

Nitric Ester

Uracil Derivatives

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4891364 - Vitamin D derivatives, process for producing the same and their use in (1990-01-02),

2. 4698364 - Benzoic acid derivatives (1987-10-06),

3. 4696919 - Method of preventing and treating obesity (1987-09-29),

4. 4666634 - vitamin D.sub.3 derivatives having a substituent at 2-position (1987-05-19),

5. 4650888 - Pentaerythritol derivative (1987-03-17),

6. 4578465 - Phenyliperazine derivatives (1986-03-25),

7. 4560686 - Method for treating circulatory diseases by using (2-lower (1985-12-24),

8. 4447453 - Anti-peptic ulcer agent (1984-05-08),

9. 4438115 - Compositions and methods for treating diseases in circulatory organs (1984-03-20),

10. 4415573 - Novel uracil derivatives, process for preparing the same and a (1983-11-15),

11. 4409234 - Pyrazoloindazole derivatives and bronchodilating composition (1983-10-11),

12. 4355038 - .alpha.-Substituted ureido-benzylpenicillanic acids (1982-10-19),

13. 4341776 - Cephalosporin derivatives (1982-07-27),

14. 4328224 - Cephalosporin derivatives (1982-05-04),

15. 4301161 - Cephalosporin derivatives (1981-11-17),

Title: The Innovative Mind of Isao Matsunaga

Introduction: Isao Matsunaga, a pioneering inventor hailing from Tokyo, Japan, is renowned for his groundbreaking contributions to the world of technology and innovation.

Latest Patents: Matsunaga's recent patents showcase his forward-thinking approach to problem-solving and his commitment to pushing the boundaries of what is possible in various industries.

Career Highlights: With a career spanning several decades, Isao Matsunaga has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them. His work has not only revolutionized existing technologies but has also paved the way for new advancements in fields such as robotics, electronics, and healthcare.

Collaborations: Throughout his career, Matsunaga has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many of his projects.

Conclusion: Isao Matsunaga's relentless pursuit of innovation and his passion for creating technologies that have a positive impact on society have solidified his reputation as a trailblazer in the world of inventors. His legacy continues to inspire future generations to think creatively and push the boundaries of what is possible.

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]