Sagamihara, Japan

Yoshihiro Oba

This inventor holds 1 USPTO granted patent. Top assignee: Teijin Limited. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Oba. Retrieved from https://idiyas.com/inventor/yoshihiro-oba-etdio7j5

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1993

Loading Chart...
1 patent (USPTO):Explore Patents

Title: **Yoshihiro Oba: Innovator in Polyester Film Technology**

Introduction

Yoshihiro Oba, based in Sagamihara, Japan, is an accomplished inventor known for his significant contribution to the field of polyester film technology. With one patent to his name, Oba's work demonstrates his dedication to enhancing materials used in magnetic recording media.

Latest Patents

Oba holds a patent for a **biaxially oriented polyester film for magnetic recording media**. This innovative film improves slipperiness, shaving resistance, and scratch resistance through protrusions formed on its surface. Specifically, the film comprises heat-resistant high molecular particles with an average particle size of 0.3 to 1.5 µm, incorporated at a concentration of 0.001 to 0.5% by weight of the polyester.

Career Highlights

Currently, Yoshihiro Oba works at **Teijin Limited**, a company renowned for its advanced materials and technology solutions. Through his role, he has played an integral part in enhancing the performance characteristics of polyester films, paving the way for advancements in magnetic recording technology.

Collaborations

Throughout his career, Oba has collaborated with notable coworkers such as Sumio Kato and Hirofumi Murooka. Their joint efforts contribute to the innovation culture within Teijin Limited, leading to improved products and processes.

Conclusion

Yoshihiro Oba's contributions to polyester film technology are a testament to his innovative spirit and expertise. His patented developments have practical implications for the magnetic recording industry, reflecting the importance of continual research and innovation in material sciences. As he continues to collaborate and innovate, the impacts of his work will resonate throughout the field.

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]
Loading…