Susumu Akutagawa

This inventor holds 31 USPTO granted patents, primarily in Optically Active Compounds. Top assignees: Takasago Perfumery Co., Ltd., Takasago International Corporation. Active years: 1976-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Akutagawa. Retrieved from https://idiyas.com/inventor/susumu-akutagawa

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

USPTO Granted Patents = 31

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 10

Forward Citations = 275(Granted Patents)

Location History:

Yohohama, JA (1976)
Yokohama, JA (1976)
Yokohama, JP (1982)
Kanagawa, JP (1985 - 1990)
Tokyo, JP (1979 - 1994)

Company Filing History:

18 out of 47

Takasago Perfumery Co., Ltd.

patents

13 out of 512

Takasago International Corporation

patents

Years Active: 1976-1994

Loading Chart...

Areas of Expertise:

Biodegradable Polymers

Optically Active Alcohols

Ferroelectric Liquid Crystals

Iridium Complexes

Ruthenium Complexes

Chiral Oligomers

Carboxylic Acids

Diene Dimers

Tricyclic Hydrocarbons

Optical Resolution

Synthesis Processes

Chemical Compounds

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5352763 - Biodegradable optically active polymers and intermediate oligomers (1994-10-04),

2. 5264547 - Optically active ether lactone, optically active polymer thereof, and (1993-11-23),

3. 5221755 - Optically active ether lactone, optically active polymer thereof, and (1993-06-22),

4. 5210332 - Iridium-optically active phosphine complex and process for producing (1993-05-11),

5. 5159093 - Iridium-optically active phosphine complex and process for producing (1992-10-27),

6. 5049308 - Ferroelectric smectic liquid crystal compound and composition containing (1991-09-17),

7. 4962242 - Process for producing optically active alcohols (1990-10-09),

8. 4962230 - Process for producing optically active carboxylic acid (1990-10-09),

9. 4933482 - Process for preparing optically active alcohol (1990-06-12),

10. 4916252 - Process for preparing optically active alcohol (1990-04-10),

11. 4886623 - Ferroelectric smectic liquid crystal compound and composition containing (1989-12-12),

12. 4851537 - Process for preparing N-acyltetrahydroisoquinoline (1989-07-25),

13. 4766227 - Ruthenium-phosphine complex (1988-08-23),

14. 4766225 - Ruthenium-phosphine complex (1988-08-23),

15. 4764629 - Ruthenium-phosphine complex (1988-08-16),

Title: The Trailblazing Innovations of Susumu Akutagawa

Introduction:

Susumu Akutagawa, a brilliant inventor hailing from Kanagawa, JP, has made significant contributions to the world of inventions with his forward-thinking approach and groundbreaking solutions. With a total of 31 patents under his belt, Akutagawa's latest patents in biodegradable optically active polymers and novel functional polymers showcase his exceptional creativity and scientific acumen.

Latest Patents:

1. Biodegradable Optically Active Polymers and Intermediate Oligomers: Akutagawa's patent reveals an innovative method of producing optically active polymers with biodegradability and hydrolyzability. This method offers industrial advantages and contributes to sustainable materials development.

2. Optically Active Ether Lactone and Polymers: Akutagawa's patent discloses a process for creating optically active polymers using an optically active 7-substituted-1,4-dioxepan-5-one derivative. This novel polymerization process yields functional polymers with diverse applications.

Career Highlights:

Having worked at Takasago Perfumery Co., Ltd. and Takasago International Corporation, Susumu Akutagawa has been instrumental in driving innovation and research in the field of polymer chemistry. His expertise and dedication have led to the development of groundbreaking technologies that have revolutionized the industry.

Collaborations:

Throughout his career, Akutagawa has collaborated with esteemed professionals in the field, including Hidenori Kumobayashi and Hidemasa Takaya. These collaborations have resulted in significant advancements in polymer science and have laid the foundation for future innovations in the field.

Conclusion:

Susumu Akutagawa's inventive spirit and remarkable contributions have established him as a trailblazer in the realm of inventions. His pioneering work in developing biodegradable polymers and novel functional materials continues to inspire and shape the landscape of innovation worldwide, leaving a lasting legacy for generations to come.

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]