Masanari Shimakawa

This inventor holds 6 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Momentive Performance Materials Japan LLC. Active years: 2014-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanari Shimakawa. Retrieved from https://idiyas.com/inventor/masanari-shimakawa

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

Calculating rank

USPTO Granted Patents = 6 (Patent Applications = 1)

% Patents Active = 83.3

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 3(Granted Patents)

Location History:

Minato-ku, JP (2016)
Tokyo, JP (2014 - 2020)

Company Filing History:

6 out of 60

Momentive Performance Materials Japan LLC

patents

Years Active: 2014-2020

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10752774 - Polyorganosiloxane composition for molding, optical member, light source lens or cover, and molding method (2020-08-25),

2. 10654980 - Silicone rubber composition, method of producing the same, and silicone rubber extrudate (2020-05-19),

3. 9343196 - Resin composition with high dielectric insulation properties (2016-05-17),

4. 9340655 - Composition for silicone rubber foam, manufacturing method of silicone rubber foam, and silicone rubber foam (2016-05-17),

5. 9074097 - Composition for silicone rubber foam, manufacturing method of silicone rubber foam, and silicone rubber foam (2015-07-07),

6. 8865784 - Composition for silicone rubber foam, manufacturing method of silicone rubber foam, and silicone rubber foam (2014-10-21),

Title: The Innovative Contributions of Masanari Shimakawa

Introduction

Masanari Shimakawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of silicone compositions. With a total of six patents to his name, Shimakawa's work has had a substantial impact on various applications in the industry.

Latest Patents

Shimakawa's latest patents include a polyorganosiloxane composition for molding, which features a unique formulation that enhances mold release properties and prevents contamination of metal molds. This composition includes a straight-chain polyorganosiloxane with multiple alkenyl groups, a resinoid polyorganosiloxane, and a hydrosilylation reaction catalyst. Another notable patent is for a silicone rubber composition that improves moldability while ensuring sufficient strength in the cured product. This composition consists of a base polymer, silica powder, organosilazane, and a curing agent, showcasing Shimakawa's innovative approach to material development.

Career Highlights

Masanari Shimakawa is currently employed at Momentive Performance Materials Japan LLC, where he continues to advance his research and development efforts. His work has been instrumental in creating high-performance materials that meet the demands of modern applications.

Collaborations

Shimakawa has collaborated with notable colleagues such as Kikuo Mochizuki and Hidefumi Tagai. Their combined expertise has contributed to the successful development of innovative materials and technologies.

Conclusion

Masanari Shimakawa's contributions to the field of silicone materials are noteworthy and reflect his dedication to innovation. His patents demonstrate a commitment to enhancing product performance and addressing industry challenges.

Profile summary based on public USPTO records.