Hitachi, Japan

Nobuaki Otazawa

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuaki Otazawa. Retrieved from https://idiyas.com/inventor/nobuaki-otazawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Nobuaki Otazawa: Innovator in Power Supply Systems

Introduction

Nobuaki Otazawa is a distinguished inventor based in Hitachi, Japan. He is known for his innovative contributions to the field of power supply systems, particularly in linear motor technology. His work has significantly impacted the efficiency and functionality of linear motor systems.

Latest Patents

Otazawa holds a patent for a "Power supply system for a linear motor." This invention involves a linear motor system where the series of driving coils along a railway is divided into sections. Each section includes multiple coils and is fed through a power control switch that operates in a sequential order. A group of these sections is fed exclusively through one of several feeders connected to various power supplies. This design enhances the operational efficiency of linear motors.

Career Highlights

Nobuaki Otazawa has made significant strides in his career at Hitachi, Ltd. His expertise in power supply systems has positioned him as a key figure in the development of advanced technologies within the company. His innovative approach has led to improvements in the performance of linear motors, showcasing his commitment to engineering excellence.

Collaborations

Otazawa has collaborated with notable colleagues, including Kiyoshi Nakamura and Takashi Tsuboi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Nobuaki Otazawa's contributions to the field of power supply systems exemplify his dedication to innovation and engineering. His patent for a power supply system for linear motors highlights his ability to solve complex challenges in technology. Through his work at Hitachi, Ltd., he continues to influence the future of linear motor systems.

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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