Sadahiko Matsuura

This inventor holds 13 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 6 EPO patents, primarily in Polymer Chemistry. Top assignees: Mitsui Chemicals, Inc., Nippon Paper Chemicals Co., Ltd.. Active years: 2001-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadahiko Matsuura. Retrieved from https://idiyas.com/inventor/sadahiko-matsuura

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

Calculating rank

USPTO Granted Patents = 13 (Patent Applications = 1)

% Patents Active = 92.3

CIPO Patents = 1

EPO Patents = 6 (Patent Applications = 4)

Average Co-Inventor Count = 6.3

ph-index = 5

Forward Citations = 63(Granted Patents)

Location History:

Kuga-gun, JP (2001)
Sodegaura, JP (2006 - 2012)
Iwakuni, JP (2018 - 2023)

Company Filing History:

13 out of 1,820

Mitsui Chemicals, Inc.

patents

1 out of 5

Nippon Paper Chemicals Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2001-2023

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Areas of Expertise:

Ethylene Copolymer

Polyolefin Resin

Olefins

Polymerization Catalyst

Lubricating Oils

4-Methyl-1-Pentene

Modified Polyolefin

Graft Polymer

Titanium Catalyst

Polymer Particle

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11760819 - Ethylene α-olefin non-conjugated polyene copolymer, use thereof, and manufacturing method thereof (2023-09-19),

2. 11613595 - Ethylene alpha-olefin non-conjugated polyene copolymer, use thereof, and manufacturing method thereof (2023-03-28),

3. 11485815 - 4-methyl-1-pentene polymer particle and method for producing 4-methyl-1-pentene resin (2022-11-01),

4. 11248069 - 4-methyl-1-pentene polymer, resin composition and molded article (2022-02-15),

5. 10919997 - Ethylene α-olefin non-conjugated polyene copolymer, use thereof, and manufacturing method thereof (2021-02-16),

6. 10329366 - Ethylene/α-olefin copolymers and lubricating oils (2019-06-25),

7. 10040884 - Ethylene/α-olefin copolymers and lubricating oils (2018-08-07),

8. 9969827 - Process for producing ethylene/α-olefin copolymer (2018-05-15),

9. 8236900 - Modified polyolefin resin and uses thereof (2012-08-07),

10. 7452946 - Ethylene polymer (2008-11-18),

11. 7109284 - Olefin polymerization catalyst, process for polymerizing olefins, ethylene polymer obtained by said process and use thereof (2006-09-19),

12. 7067587 - Polyolefin macromonomer, graft polymer obtained from the polyolefin macromonomer, and use thereof (2006-06-27),

13. 6323150 - Process for preparing solid titanium catalyst component, olefin polymerization catalyst, and olefin polymerization process (2001-11-27),

Title: **The Innovative Mind of Sadahiko Matsuura**

Introduction

Sadahiko Matsuura, an accomplished inventor based in Iwakuni, Japan, has a remarkable portfolio of 13 patents to his name. His innovations primarily focus on the development of unique polymers that exhibit enhanced properties, which are vital in various industrial applications. Matsuura's dedication to advancing material science has led him to create solutions that cater to modern technological needs.

Latest Patents

His latest patent, titled "Ethylene α-olefin non-conjugated polyene copolymer, use thereof, and manufacturing method thereof," showcases his commitment to innovation. This invention aims to produce a copolymer that demonstrates a low permanent compression set at low temperatures while maintaining flexibility. The ethylene-based polymer consists of units derived from ethylene, α-olefin containing 4-20 carbon atoms, and a non-conjugated polyene. The specific characteristics of this copolymer, including its molar ratios and performance metrics, make it a valuable material with exceptional rubber elasticity at low temperatures and impressive tensile strength at standard temperatures.

Career Highlights

Throughout his career, Sadahiko Matsuura has worked with prominent companies, including Mitsui Chemicals, Inc., and Nippon Paper Chemicals Co., Ltd. His work at these organizations has allowed him to refine his expertise in polymer science and contribute significantly to the development of innovative materials.

Collaborations

Matsuura’s journey has also involved collaborations with distinguished colleagues such as Koji Endo and Mayumi Hiwara. Working together with talented individuals has fostered a collaborative environment where innovative ideas flourish and evolve into practical solutions.

Conclusion

Sadahiko Matsuura's contributions to material science and polymer innovation have been noteworthy. With a strong foundation of patents and achievements, he continues to inspire future inventors in the field of polymer technology. His latest developments not only solve existing problems but also push the boundaries of what materials can achieve in various applications, ensuring his place as a prominent figure in the world of inventions.

Profile summary based on public USPTO records.