Ichihara, Japan

Shinobu Yamao

This inventor holds 13 USPTO granted patents and 5 published patent applications and 4 EPO patents. Top assignees: Idemitsu Petrochemical Co., Ltd., Idemitsu Kosan Company, Limited, Idemitsu Kosan., Ltd.. Active years: 1993-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinobu Yamao. Retrieved from https://idiyas.com/inventor/shinobu-yamao

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

USPTO Granted Patents = 13 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 137(Granted Patents)


Location History:

  • Sodegaura-machi, JP (2000)
  • Sodegaura, JP (2013)
  • Ichihara, JP (1993 - 2023)

Company Filing History:


Years Active: 1993-2026

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13 patents (USPTO):Explore Patents

Title: **Shinobu Yamao: Pioneering Innovations in Polycarbonate-Polyorganosiloxane Copolymers**

Introduction

Shinobu Yamao, an accomplished inventor based in Ichihara, Japan, has made significant contributions to the field of polymer science. With an impressive portfolio of 12 patents, Yamao's work focuses primarily on the development of advanced polycarbonate-polyorganosiloxane copolymers, showcasing his expertise in material innovation.

Latest Patents

Among Yamao's recent advancements is a patent for a polycarbonate/polyorganosiloxane copolymer and resin composition. This innovative copolymer includes a polyorganosiloxane block (A-1) featuring a specific structural unit and a polycarbonate block (A-2) derived from a defined repeating unit. The copolymer demonstrates remarkable properties, satisfying conditions for hexane extraction and average weights of polyorganosiloxane blocks, making it a versatile material for various applications in industry.

Career Highlights

Shinobu Yamao has held key roles at major companies, notably at Idemitsu Petrochemical Co., Ltd. and Idemitsu Kosan Company, Limited. His tenure at these companies has enabled him to refine his research and development skills, contributing to groundbreaking technologies in polymer applications.

Collaborations

Yamao's collaborations with esteemed colleagues, such as Minoru Yabukami and Taizou Sugioka, have played a crucial role in his inventive process. Working together, they have exchanged knowledge and ideas, which has further propelled advancements in the materials science domain.

Conclusion

In summary, Shinobu Yamao stands out as a visionary inventor, whose work in polycarbonate-polyorganosiloxane copolymers has paved the way for innovative applications in various industries. His commitment to research, strong collaborative efforts, and significant patent portfolio underscore his impact on materials science and technology.

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]
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