Bartlesville, OK, United States of America

Mayumi Oshima

USPTO Granted Patents = 23 

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 65(Granted Patents)


Location History:

  • Chiba, JP (2010 - 2012)
  • Kanagawa, JP (2012)
  • Ichihara, JP (2004 - 2013)
  • Bartlesville, OK (US) (2012 - 2014)
  • Chuo-ku, JP (2014)
  • Yokohama, JP (2014)
  • Tokyo, JP (2016)

Company Filing History:


Years Active: 2004-2016

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23 patents (USPTO):Explore Patents

Title: The Innovative Journey of Mayumi Oshima in Polymer Technology

Introduction: Mayumi Oshima is a prominent inventor based in Bartlesville, OK, whose contributions to the field of polymer technology have significantly shaped the industry. With an impressive portfolio of 23 patents, Oshima's work focuses on the development of conjugated diene polymer rubber and related compositions, demonstrating his dedication to innovation in material science.

Latest Patents: Among Oshima's notable inventions are his latest patents related to conjugated diene polymer rubber and its compositions. The first patent details a conjugated diene polymer rubber that consists of two components: component (A) and component (B). The weight ratio of these components is carefully defined, with component (A) comprising 5% to 90% and component (B) making up the remaining 10% to 95%. This precise formulation aims to enhance the properties and performance of the rubber material. Additionally, Oshima has developed a patent that outlines a process for producing conjugated diene-based polymers. This process involves the polymerization of a conjugated diene compound along with a silicon-containing vinyl compound, utilizing specific initiator components to achieve optimal results.

Career Highlights: Oshima's career is marked by his tenure at Sumitomo Chemical Company, Limited, where he has played a pivotal role in advancing polymer technologies. His expertise and innovative spirit have led to the successful development of multiple patentable inventions that contribute to the company's reputation as a leader in chemical manufacturing. Oshima's work not only underscores his role as an inventor but also reflects his commitment to advancing scientific knowledge within the industry.

Collaborations: Throughout his career, Oshima has had the pleasure of collaborating with esteemed colleagues, including Katsunari Inagaki and Seiichi Mabe. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements, further enhancing the quality and impact of their collective work.

Conclusion: Mayumi Oshima's inventive contributions to the field of polymer technology highlight the importance of innovation in driving progress within the industry. With an extensive range of patents and valuable collaborations, Oshima continues to be a significant figure in the development of advanced materials, paving the way for future breakthroughs in polymer science.

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