Yokosuka, Japan

Masanobu Ishihara

This inventor holds 1 USPTO granted patent. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanobu Ishihara. Retrieved from https://idiyas.com/inventor/masanobu-ishihara

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Masanobu Ishihara: Innovator in Impact-Resistant Styrene Resin Composition

Introduction

Masanobu Ishihara is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of materials science, particularly in the development of impact-resistant styrene resin compositions. His innovative work has led to advancements that enhance the performance of resin materials in various applications.

Latest Patents

Ishihara holds a patent for an impact-resistant styrene resin composition. This composition comprises (A) 75-98 parts by weight of a block copolymer mixture of vinyl aromatic hydrocarbon and conjugated diolefin, and (B) 25-2 parts by weight of an impact-resistant styrene resin. The unique characteristics of this resin composition provide a superior balance between impact resistance and transparency compared to conventional resin compositions.

Career Highlights

Ishihara is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical industry. His work at the company has been instrumental in advancing the technology behind resin compositions, making them more effective for various industrial applications.

Collaborations

Throughout his career, Ishihara has collaborated with esteemed colleagues such as Yasushi Sato and Toshio Ibaragi. These collaborations have fostered an environment of innovation and have contributed to the successful development of new materials.

Conclusion

Masanobu Ishihara's contributions to the field of impact-resistant styrene resin compositions highlight his role as a key innovator in materials science. His work continues to influence the industry and pave the way for future advancements.

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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