Hitachi, Japan

Hidenari Otani

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidenari Otani. Retrieved from https://idiyas.com/inventor/hidenari-otani-ar2uwvl2

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 = 7.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 2002

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1 patent (USPTO):Explore Patents

Title: Hidenari Otani: Innovator in Electric Machine Technology

Introduction

Hidenari Otani is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electric machines, particularly through his innovative patent related to armature winding.

Latest Patents

Hidenari Otani holds a patent for an "Armature winding and rotating electric machine using the same." This invention aims to minimize voltage imbalances between the winding circuits of each phase. It simplifies the edge structure of the armature winding in a rotating electric machine with four poles. The design features slots of 9n (where 1 ≤ n ≤ 7) pieces provided for the stator core, utilizing a double-layer winding per slot. The armature winding is configured with a three-phase star connection, consisting of three winding circuits connected in parallel for each phase. Notably, two of the four poles of each phase are constituted with only one of the three winding circuits.

Career Highlights

Hidenari Otani is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has contributed to advancements in electric machine design and efficiency.

Collaborations

He has collaborated with notable coworkers, including Kazumasa Ide and Ryoichi Shiobara, who have also contributed to the field of electric machines.

Conclusion

Hidenari Otani's innovative work in armature winding technology showcases his commitment to enhancing electric machine performance. His contributions continue to influence the industry and inspire 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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