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For the Inventor, By the Inventor

Ibaraki, Japan

Youichi Shiokawa

This inventor holds 39 USPTO granted patents, plus 1 CIPO patent, primarily in Pharmaceutical Chemistry. Top assignee: Fujisawa Pharmaceutical Company, Ltd.. Active years: 1978-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youichi Shiokawa. Retrieved from https://idiyas.com/inventor/youichi-shiokawa

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

USPTO Granted Patents = 39

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.9

ph-index = 13

Forward Citations = 341(Granted Patents)


Location History:

  • Takatsuki, JP (1978 - 1984)
  • Hozumidai, JP (1987)
  • Ibaraki, JP (1986 - 1994)
  • Tsukuba, JP (1995)
  • Osaka, JP (1993 - 1996)

Company Filing History:

goldMedal39 out of 940 
 
Fujisawa Pharmaceutical Company, Ltd.
 patents

Years Active: 1978-1996

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Areas of Expertise:
Pyrazolopyridines
Imidazopyridines
Triazine Derivatives
Pharmaceutical Utility
Anti-Ulcerative Compounds
Sympathomimetic Derivatives
Substituted-Acetamides
Benzopyran Derivatives
Nitric Ester Derivatives
Heterocyclic Compounds
Azetidinone Derivatives
Pharmacologically Active Compounds
39 patents (USPTO):Explore Patents
1. 5508413 - (+)-5-isopropyl 3-methyl 2-cyano-6 methyl-4-(3-nitrophenyl)-1, (1996-04-16),
2. 5387710 - Ethanolamine derivatives having sympathomimetic and anti-pollakiuria (1995-02-07),
3. 5338743 - New use of the adenosine antagonist (1994-08-16),
4. 5296490 - Pharmaceutically useful pyrazolopyridines (1994-03-22),
5. 5256824 - Substituted-amine compound and a process for the preparation thereof (1993-10-26),
6. 5234930 - Pyrazolopyridine compounds which have useful pharmaceutical utility (1993-08-10),
7. 5204346 - Pyrazolopyridine compounds (1993-04-20),
8. 5192779 - Substituted-acetamide compound and a process for the preparation thereof (1993-03-09),
9. 5179103 - Pharmaceutically useful pyrazolopyridines (1993-01-12),
10. 5155114 - Method of treatment using pyrazolopyridine compound (1992-10-13),
11. 5104890 - Benzopyran derivatives and processes for preparation thereof (1992-04-14),
12. 5102878 - Pharmaceutical method of treatment using pyrazolopyridine compound (1992-04-07),
13. 5102869 - Method of treating kidney disease using pyrazolopyridine compound (1992-04-07),
14. 5087629 - Pharmacologically active pyrazolopyridine compounds (1992-02-11),
15. 5066680 - Novel substituted-acetamide compound and a process for the preparation (1991-11-19),

Title: Pioneering Inventor in the Technology Realm: Youichi Shiokawa

Introduction:

Youichi Shiokawa, a distinguished inventor based in Ibaraki, Japan, has made significant contributions to the field of technology with his relentless pursuit of innovation. With an impressive portfolio of 39 patents, Shiokawa's work has left a lasting impact on the industry.

Latest Patents:

Among his latest patents is the groundbreaking invention of novel (+)-5-isopropyl 3-methyl 2-cyano-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate. This innovative compound exhibits pharmacological activities such as hypotensive and vasodilating effects, making it valuable for treating hypertension and cardiovascular diseases. Additionally, Shiokawa has developed ethanolamine derivatives with gut-selective sympathomimetic and anti-pollakiuria properties, paving the way for novel treatment approaches.

Career Highlights:

Youichi Shiokawa is a prominent figure at Fujisawa Pharmaceutical Company, Ltd., where he continues to spearhead cutting-edge research and development initiatives. His tenure at the company is marked by a series of groundbreaking inventions that have reshaped the pharmaceutical landscape. Shiokawa's dedication to pushing the boundaries of innovation has earned him a reputation as a visionary inventor in the technology sector.

Collaborations:

Throughout his career, Shiokawa has collaborated closely with esteemed colleagues such as Atsushi Akahane and Hirohito Katayama. Their combined expertise and teamwork have led to the successful realization of several pioneering projects, further solidifying Shiokawa's position as a trailblazer in the field.

Conclusion:

In conclusion, Youichi Shiokawa's unwavering commitment to innovation and his profound impact on the technology domain position him as a true luminary in the world of inventors. His remarkable inventions continue to drive advancements in healthcare and pharmaceuticals, demonstrating his exceptional talent and passion for creating transformative solutions to complex challenges in the industry.

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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