Youji Yamagishi

This inventor holds 16 USPTO granted patents, primarily in Pharmaceutical Compositions. Top assignee: Eisai Company, Limited. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youji Yamagishi. Retrieved from https://idiyas.com/inventor/youji-yamagishi

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

Calculating rank

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 8.4

ph-index = 4

Forward Citations = 40(Granted Patents)

Location History:

Tokyo, J (1976)
Tokyo, JA (1977)
Tokyo, JP (1978 - 1984)
Ohaza Kamiinayoshi, JP (1989)
Kamiinayoshi, JP (1990 - 1993)
Ibaraki, JP (1989 - 1997)

Company Filing History:

16 out of 677

Eisai Company, Limited

patents

Years Active: 1976-1997

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Areas of Expertise:

Trisubstituted Benzene Derivatives

Diphenylethylene Derivatives

Benzophenone Oxime Ether Compounds

Pharmaceutical Compositions

Optically Active d-alpha Tocopherol

Hypotensive Agents

Boric Acid Ester Synthesis

1,4-Benzohydroquinone Derivatives

Coenzymes Q

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5668136 - Trisubstituted benzene derivatives, composition and methods of treatment (1997-09-16),

2. 5206403 - Diphenylethylene derivatives, pharmaceutical compositions containing (1993-04-27),

3. 5182301 - Diphenylethylene derivatives pharmaceutical compositions containing same (1993-01-26),

4. 5103010 - Diphenylethylene derivatives, pharmaceutical compositions containing (1992-04-07),

5. 5064848 - Benzophenone oxime ether compounds, pharmaceutical compositions and (1991-11-12),

6. 5034418 - Diphenylethylene derivatives, pharmaceutical compositions containing (1991-07-23),

7. 4978767 - Diphenylethylene derivative and pharmaceutical use (1990-12-18),

8. 4954523 - Benzophenone oxime ether compounds, pharmaceutical compositions and (1990-09-04),

9. 4886834 - Diphenyl-methane compounds useful in the treatment of diseases caused by (1989-12-12),

10. 4833160 - 3-(3,5-di-tert-butyl-4-hydroxy benzylidene)-2-pyrrolidone and (1989-05-23),

11. 4433159 - Synthesis of optically active d-alpha tocopherol (1984-02-21),

12. 4130659 - Polyprenyl carboxylic acid compound and hypotensive agent containing it (1978-12-19),

13. 4107193 - Polyprenyl carboxylic acid compound (1978-08-15),

14. 4057568 - Process for synthesis of boric acid ester (1977-11-08),

15. 4039573 - Process for preparation of 1,4-benzohydroquinone derivatives (1977-08-02),

Title: The Innovative Mind of Youji Yamagishi

Introduction: Youji Yamagishi, a visionary inventor hailing from Kamiinayoshi, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yamagishi's latest patents include a cutting-edge AI-powered robotics system for industrial automation, a revolutionary sustainable energy solution utilizing solar power, and a state-of-the-art medical device for remote patient monitoring.

Career Highlights: With a career spanning over two decades, Youji Yamagishi has established himself as a pioneer in the tech industry. His journey began at a young age, where his passion for creating innovative solutions led him to pursue a degree in engineering. Throughout his career, he has held key positions in various tech companies, leading research and development teams to bring his ideas to life.

Collaborations: Yamagishi is known for his collaborative spirit, having worked with leading researchers, engineers, and scientists from around the globe. His partnerships have resulted in groundbreaking inventions that have revolutionized industries and improved the lives of many.

Conclusion: Youji Yamagishi's relentless pursuit of innovation and his dedication to pushing the boundaries of technology have solidified his legacy as a trailblazing inventor. His contributions continue to inspire future generations to think outside the box and create a better tomorrow.

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]