Kyoto, Japan

Yuji Hagiwara

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Nidec Corporation, Cosmo Oil Lubricants Co., Ltd., Kyodo Yushi Co., Ltd.. Active years: 2019-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Hagiwara. Retrieved from https://idiyas.com/inventor/yuji-hagiwara-4mt6deux

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 1


Company Filing History:


Years Active: 2019-2020

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2 patents (USPTO):Explore Patents

Title: Yuji Hagiwara: Innovator in Lubricating Oil Technology

Introduction

Yuji Hagiwara is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of lubricating oil technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of lubricating oils used in various applications.

Latest Patents

Hagiwara's latest patents include a conductive lubricating oil composition and a spindle motor. The conductive lubricating oil composition features a unique blend of lubricating base oils and conductivity imparting agents. This composition is designed to maintain a stable conductivity rate even after prolonged storage at high temperatures. His second patent involves a lubricating oil for fluid dynamic bearings, which is characterized by its specific viscosity and pour point, making it suitable for spindle motors.

Career Highlights

Throughout his career, Yuji Hagiwara has worked with prominent companies such as Nidec Corporation and Cosmo Oil Lubricants Co., Ltd. His experience in these organizations has allowed him to develop innovative solutions that address the needs of the industry.

Collaborations

Hagiwara has collaborated with notable colleagues, including Ryuji Terauchi and Iwaki Hirooka. These partnerships have contributed to the advancement of lubricating oil technologies and have fostered a collaborative environment for innovation.

Conclusion

Yuji Hagiwara's contributions to lubricating oil technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry positively, paving the way for future innovations.

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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