Hitachiota, Japan

Ryoji Nakatake

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Nakatake. Retrieved from https://idiyas.com/inventor/ryoji-nakatake

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 = 12(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Ryoji Nakatake: Innovator in Electrical Engineering

Introduction

Ryoji Nakatake is a prominent inventor based in Hitachiota, Japan. He is known for his innovative contributions to electrical engineering, particularly in the development of advanced electrical machines. His work has significantly impacted the field, showcasing his expertise and creativity.

Latest Patents

Nakatake holds a patent for an insulating-liquid immersed electrical machine. This invention comprises an electrical machine housed within a hermetically sealed tank, which contains insulating liquid arranged between the electrical machine and the tank. The design includes a deformable member that allows for variable receiving volume, ensuring that the insulating liquid completely fills the space and maintains suitable pressure to prevent vaporization.

Career Highlights

Throughout his career, Ryoji Nakatake has made significant strides in electrical engineering. His innovative designs and patents reflect his commitment to advancing technology in this field. His work has garnered attention and respect from peers and industry professionals alike.

Collaborations

Nakatake has collaborated with notable colleagues, including Yoshito Uwano and Takeshi Sakamoto. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Ryoji Nakatake's contributions to electrical engineering, particularly through his patented insulating-liquid immersed electrical machine, highlight his role as a leading inventor in the industry. His work continues to inspire advancements in technology and engineering practices.

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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