Iruma, Japan

Takeshi Hijiya

This inventor holds 2 USPTO granted patents. Top assignees: Copal Electronics Co., Ltd., Nidec Copal Electronics Corporation. Active years: 1999-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Hijiya. Retrieved from https://idiyas.com/inventor/takeshi-hijiya

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


% Patents Active = 50.0

Average Co-Inventor Count = 3.7

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1999-2017

Loading Chart...
2 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takeshi Hijiya

Introduction

Takeshi Hijiya is a notable inventor based in Iruma, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced bearing technologies. With a total of 2 patents to his name, Hijiya's work has had a considerable impact on various industries.

Latest Patents

Hijiya's latest patents include a fluid dynamic bearing, a motor, and an optical deflector. The fluid dynamic bearing is designed to allow a fixed shaft to be attached with minimal axial eccentricity. This innovative bearing features a fixed shaft, a rotating sleeve, dynamic pressure generating sections, and a lower case that secures the lower end of the fixed shaft. Additionally, it includes a retaining case that can be secured to the lower case without generating pressure that would cause axial movement of the fixed shaft. Another patent, the circumferential flow type dynamic pressure bearing, consists of a shaft with a multiple-arc-shaped pressure generating surface and a circular sleeve. This design ensures compatibility with high-humidity environments and reduces noise caused by radial deviations of the shaft.

Career Highlights

Throughout his career, Hijiya has worked with prominent companies such as Copal Electronics Co., Ltd. and Nidec Copal Electronics Corporation. His experience in these organizations has allowed him to refine his skills and contribute to the development of cutting-edge technologies.

Collaborations

Hijiya has collaborated with talented individuals in the field, including Kachu Ishizuka and Akiyoshi Takahashi. These partnerships have fostered innovation and have been instrumental in the success of his projects.

Conclusion

Takeshi Hijiya's contributions to the field of engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in bearing technologies and related applications.

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…