Shiga, Japan

Motoi Yamashita

This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: Mitsubishi Plastics, Inc.. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoi Yamashita. Retrieved from https://idiyas.com/inventor/motoi-yamashita

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

Calculating rank
USPTO Granted Patents = 1 


Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2013

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1 patent (USPTO):Explore Patents

Title: **The Innovations of Motoi Yamashita**

Introduction

Motoi Yamashita is an accomplished inventor based in Shiga, Japan. With a focus on innovative materials, he has contributed to advancements in the field through his unique inventions.

Latest Patents

Yamashita holds a patent for a "Polyphenylene sulfide-based heat-shrinkable tube and component covered with the tube." This invention provides a heat-shrinkable polyphenylene sulfide-based tube that includes a resin composition, primarily featuring a thermoplastic polyphenylene sulfide-based resin. The tube is characterized by a significant difference in temperature properties, specifically a cold crystallization temperature (Tc) that is 35°C or more above the glass transition temperature (Tg), which falls between 65°C and 85°C. This patent addresses essential qualities for heat-shrinkable tubes, including heat resistance, low-temperature shrinkage, electrical characteristics, chemical resistance, and electrolytic solution resistance.

Career Highlights

Motoi Yamashita works with Mitsubishi Plastics, Inc., where he has applied his expertise in material sciences to develop innovative solutions. His contributions have been vital in the fields of manufacturing and product development, showcasing his role as both an inventor and a technical leader.

Collaborations

Throughout his career, Yamashita has collaborated with skilled professionals, including Hidetaka Arai and Kouichirou Taniguchi. These partnerships have allowed him to enhance the quality and functionality of his inventions, leading to greater advancements within the field of heat-shrinkable materials.

Conclusion

Motoi Yamashita's inventive spirit and commitment to innovation have made a notable impact on the materials engineering industry. His patented work on the heat-shrinkable polyphenylene sulfide-based tube exemplifies the potential for new designs to transform existing technologies and improve product performance. As Yamashita continues his journey in innovation, the engineering community looks forward to his future contributions.

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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