Toshiji Igarashi

This inventor holds 18 USPTO granted patents. Top assignees: Eisai Company, Limited, Hayashibara Biochemical Laboratories, Inc.. Active years: 1977-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiji Igarashi. Retrieved from https://idiyas.com/inventor/toshiji-igarashi

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 7

Forward Citations = 117(Granted Patents)

Location History:

Tokorozawa, JA (1977 - 1978)
Saitama, JP (1984)
Tokorozawa, JP (1978 - 1987)
Toyosato, JP (1987)

Company Filing History:

17 out of 677

Eisai Company, Limited

patents

1 out of 30

Hayashibara Biochemical Laboratories, Inc.

patents

Years Active: 1977-1987

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4707477 - Treating and preventing agent for ischemic cardiac disease and arrhythmia (1987-11-17),

2. 4650798 - Antiarrhythmic (1987-03-17),

3. 4639450 - Polyprenylcarboxylic acid morpholides and pharmaceutical compositions (1987-01-27),

4. 4571408 - .alpha.,.beta.-Dihydropolyprenyl derivatives for treating hepatitis (1986-02-18),

5. 4481217 - .alpha.,.beta.-Dihydropolyprenyl derivatives useful in treating hepatitis (1984-11-06),

6. 4456603 - Polyprenylcarboxylic acid amides useful for treating liver dysfunction (1984-06-26),

7. 4426383 - Theophylline and theobromine derivatives (1984-01-17),

8. 4421763 - Cyclohexane derivatives, process for preparation thereof and medicines (1983-12-20),

9. 4370472 - Plasma expander (1983-01-25),

10. 4350705 - Cyclohexane derivatives, process for preparation thereof and medicines (1982-09-21),

11. 4325974 - .beta., .gamma.-Dihydropolyprenyl alcohol and hypotensive pharmaceutical (1982-04-20),

12. 4199587 - Method of treating hypertension with polyprenyl alcohol ester (1980-04-22),

13. 4175139 - Hypertension treating agent containing polyprenyl alcohol (1979-11-20),

14. 4130659 - Polyprenyl carboxylic acid compound and hypotensive agent containing it (1978-12-19),

15. 4113870 - Method for treatment of hypertension (1978-09-12),

Title: The Innovative Journey of Toshiji Igarashi

Introduction: Toshiji Igarashi, a pioneering inventor hailing from Tokorozawa, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Toshiji Igarashi's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of innovation in these rapidly evolving fields.

Career Highlights: With a career spanning over two decades, Toshiji Igarashi has established himself as a leading figure in the tech industry. His innovative solutions have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Toshiji Igarashi has collaborated with top research institutions and leading tech companies to bring his inventions to life. His ability to work seamlessly in interdisciplinary teams has been instrumental in the success of his projects.

Conclusion: Toshiji Igarashi's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his reputation as a visionary inventor in the tech world. His contributions continue to inspire future generations of inventors to 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]