Toshio Sasaki

This inventor holds 55 USPTO granted patents, primarily in Olefin Polymerization (CPC class 5021). Top assignee: Sumitomo Chemical Company, Limited. Active years: 1978-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Sasaki. Retrieved from https://idiyas.com/inventor/toshio-sasaki-bogvr7x1

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

Calculating rank

USPTO Granted Patents = 55

% Patents Active = 94.5

Average Co-Inventor Count = 4.1

ph-index = 15

Forward Citations = 551(Granted Patents)

Forward Citations (Not Self Cited) = 499(Dec 10, 2025)

Inventors with similar research interests:

Location History:

all Niihama, JP (1983)
Ehime, JP (1985)
Niihama, JP (1978 - 1991)
Tsukuba, JP (1998 - 1999)
Ichihara, JP (1985 - 2004)

Company Filing History:

55 out of 6,965

Sumitomo Chemical Company, Limited

patents

Years Active: 1978-2004

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Areas of Expertise:

Olefin Polymerization

Fatty Acid Esters

Catalyst Development

Hydrogen Peroxide

Thermoplastic Elastomer

High Temperature Polymerization

Epoxidized Olefins

Alpha-Olefin Copolymers

Stereospecific Polymers

Block Copolymer Particles

Polypropylene Production

Granular Thermoplastic

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6818026 - Process for producing fatty acid esters and fuels comprising fatty acid ester (2004-11-16),

2. 6812359 - Method and apparatus for preparing fatty acid esters (2004-11-02),

3. 6570030 - Method for preparing fatty acid esters from seeds or fruits (2003-05-27),

4. 6337377 - Process for producing olefin polymers, olefin-polymerizing catalyst and polyproylene for biaxially oriented film produced with said catalyst (2002-01-08),

5. 6303801 - Process for producing alkyl-substituted hydroquinones (2001-10-16),

6. 6187939 - Method for preparing fatty acid esters and fuel comprising fatty acid esters (2001-02-13),

7. 6127303 - Process for producing olefin polymers, olefin-polymerizing catalyst and (2000-10-03),

8. 6103841 - .alpha.-olefin polymers, .alpha.-olefin-polymerizing catalyst and (2000-08-15),

9. 5965101 - Process for producing hydrogen peroxide (1999-10-12),

10. 5840934 - Process for producing epoxidized product of olefins (1998-11-24),

11. 5700895 - Ethylene-.alpha.-olefin copolymer and molded article thereof (1997-12-23),

12. 5602223 - Ethylene-.alpha.-olefin copolymer and a molded article therefor (1997-02-11),

13. 5508364 - Process for polymerizing ethylene at high temperature under high pressure (1996-04-16),

14. 5470900 - Powder molding process using a thermoplastic elastomer powder (1995-11-28),

15. 5378778 - Liquid catalyst component, catalyst system containing the same, and (1995-01-03),

Sure, here is the article:

Title: The Innovative World of Toshio Sasaki

Introduction:

Toshio Sasaki, a prolific inventor hailing from Ichihara, Japan, has made significant contributions to the field of chemical engineering with a remarkable portfolio of 55 patents.

Latest Patents:

1. Process for producing fatty acid esters and fuels comprising fatty acid ester - This patent showcases a method for producing fatty acid esters with high yield from oil or fat and an alcohol using a solid base catalyst under supercritical conditions.

2. Method and apparatus for preparing fatty acid esters - This patent details a process for preparing fatty acid esters while minimizing the discharge of unreacted reactants, by recycling the reaction mixture in a reactor.

Career Highlights:

Sasaki's innovative work spans various companies, including Sumitomo Chemical Company Limited, where he has made groundbreaking advancements in the production of fatty acid esters and alternative fuels.

Collaborations:

Throughout his illustrious career, Sasaki has collaborated closely with esteemed colleagues such as Akinobu Shiga and Kiyoshi Kawai, leveraging their collective expertise to drive technological advancements in the chemical engineering sector.

Conclusion:

In conclusion, Toshio Sasaki's pioneering spirit and dedication to innovation have not only propelled him to the forefront of the industry but have also paved the way for transformative developments in the realm of chemical engineering. His patents stand as a testament to his unwavering commitment to pushing the boundaries of scientific discovery and technological advancement.

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]