Masayuki Narisada

This inventor holds 37 USPTO granted patents, primarily in Cephalosporin Derivatives. Top assignees: Shionogi Company Limited, Other. Active years: 1977-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Narisada. Retrieved from https://idiyas.com/inventor/masayuki-narisada

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

USPTO Granted Patents = 37

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 9

Forward Citations = 249(Granted Patents)

Location History:

Ibaraki, JA (1977 - 1978)
Ayukawa, Ibaraki, Osaka, JA (1978)
Osaka, JP (1984 - 1991)
Ibaraki, JP (1978 - 1993)

Company Filing History:

35 out of 1,001

Shionogi Company Limited

patents

2 out of 834,513

Other

patents

Years Active: 1977-1993

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Areas of Expertise:

Cephalosporin

Cyclization

Sulfonamide

Azetidinone

Bridged Cyclohexane

Phenolic Thioethers

Hexenoic Acid

Dihydroethanoanthracene

Carboxylic Acid

Thiadiazolyl

Intermediates

Malonamido

37 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5200533 - Intermediates for preparation of 2,3-trans-1,4-bridged cyclohexane (1993-04-06),

2. 5120865 - Preparation of 2,3-trans-1,4-bridged cyclohexane sulfonamide derivatives (1992-06-09),

3. 5084214 - Phenolic thioethers, and their production and use (1992-01-28),

4. 5041635 - 5(Z)-7-(endo-3 (1991-08-20),

5. 5008409 - Process for preparing 1,4-bridged cyclohexane carboxylic acid derivatives (1991-04-16),

6. 5002972 - Compound and composition of substituted hexenoic acid derivatives useful (1991-03-26),

7. 4976891 - Bicyclic sulfonamide derivatives (1990-12-11),

8. 4960909 - 7-oxabicyclo[2.2.1] heptane sulfonamide derivatives (1990-10-02),

9. 4954514 - (Di-tert-butylhydroxyphenyl)thio derivatives and antiarterioschlerosis (1990-09-04),

10. 4916231 - Alkenyltetrazole derivatives (1990-04-10),

11. 4861913 - Bicyclic sulfonamide derivatives (1989-08-29),

12. 4592865 - Azetidinone intermediates for cephalosporin analogs (1986-06-03),

13. 4569993 - Malonyloxacephemcarboxylic acid derivatives (1986-02-11),

14. 4529722 - Oxacephalosporin derivatives (1985-07-16),

15. 4525355 - 7-.beta.-Ureidoacetamido-oxacephalosporins (1985-06-25),

Title: The Innovative Journey of Masayuki Narisada

Introduction: Masayuki Narisada is a pioneering inventor hailing from Ibaraki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Masayuki Narisada has worked tirelessly to develop cutting-edge solutions in the tech industry. His innovative spirit has led to the creation of revolutionary products that have redefined the way we interact with technology.

Collaborations: Throughout his career, Masayuki Narisada has collaborated with leading tech companies and research institutions to further his inventions. His ability to work in multidisciplinary teams has resulted in the successful development of groundbreaking technologies.

Conclusion: Masayuki Narisada's passion for innovation and his relentless drive to create have solidified his position as a trailblazer in the world of technology. His contributions continue to inspire future generations of inventors and shape the landscape of technological innovation.

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]