Kouichi Katayama

This inventor holds 21 USPTO granted patents, primarily in Pharmaceutical Derivatives. Top assignees: Eisai Company, Limited, Eisai Inc.. Active years: 1983-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Katayama. Retrieved from https://idiyas.com/inventor/kouichi-katayama

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

Calculating rank

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 11.2

ph-index = 5

Forward Citations = 158(Granted Patents)

Location History:

Tokyo, JP (1983)
Ibaragi, JP (1986)
Sakuramura, JP (1986 - 1988)
Ibaraki, JP (1987 - 1996)
Tsukuba, JP (1992 - 1996)

Company Filing History:

20 out of 677

Eisai Company, Limited

Years Active: 1983-1996

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Areas of Expertise:

Naphthalene Derivative

1,4-Diazepine Derivative

Glycerin Derivative

Pharmaceutical Use

Triazolo-1,4-Diazepine

Therapeutic Agent

Dolichol

Elastase Composition

Coated Liposome

Preventive Agent

Pharmacological Use

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5527948 - Naphthalene derivative (1996-06-18),

2. 5482937 - 1,4-diazepine derivative and its pharmaceutical use (1996-01-09),

3. 5476864 - Glycerin derivative and its pharmacological use (1995-12-19),

4. 5476863 - Glycerin derivative and its pharmacological use (1995-12-19),

5. 5468740 - 1,4-diazepine derivative and its pharmaceutical use (1995-11-21),

6. 5438045 - 1,4-diazepine derivative and its pharmaceutical use (1995-08-01),

7. 5409909 - 1,4-diazepine derivative and its pharmaceutical use (1995-04-25),

8. 5382579 - Triazolo-1,4-diazepine derivatives and their use in pharmaceuticals (1995-01-17),

9. 5304553 - 1,4-diazepine derivative and its pharmaceutical use (1994-04-19),

10. 5298649 - Naphthalene derivative (1994-03-29),

11. 5273985 - Glycerin derivative and its pharmacological use (1993-12-28),

12. 5221671 - Triazolo-1,4-diazepine derivatives and their use in pharmaceuticals (1993-06-22),

13. 5134111 - Naphthalene derivative (1992-07-28),

14. 5037827 - Glycerin derivative and its pharmacological use (1991-08-06),

15. 4833160 - 3-(3,5-di-tert-butyl-4-hydroxy benzylidene)-2-pyrrolidone and (1989-05-23),

Title: The Innovative Journey of Kouichi Katayama

Introduction: Kouichi Katayama is a renowned inventor hailing from Ibaraki, Japan. His passion for innovation and dedication to creating groundbreaking solutions have made him a prominent figure in the world of patents and inventions.

Latest Patents: Kouichi Katayama holds several recent patents in the field of robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Kouichi Katayama has worked with leading research institutions and universities to develop cutting-edge technologies. His contributions have significantly impacted various industries, from healthcare to manufacturing.

Collaborations: Throughout his career, Kouichi Katayama has collaborated with top companies and fellow inventors to bring his ideas to life. His ability to work in multidisciplinary teams has led to the successful implementation of several innovative projects.

Conclusion: Kouichi Katayama's relentless pursuit of innovation and his remarkable contributions to the field of technology make him a true visionary. His work continues to inspire future generations of inventors and researchers worldwide.

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]