Kanagawa, Japan

Shoji Totsuka

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoji Totsuka. Retrieved from https://idiyas.com/inventor/shoji-totsuka

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


Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2011

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Shoji Totsuka

Introduction

Shoji Totsuka is a notable inventor based in Kanagawa, Japan, recognized for his contributions to electrical engineering and device innovation. With a unique talent for developing cutting-edge technology, he currently holds one patent that showcases his inventive prowess.

Latest Patents

Shoji Totsuka’s patent focuses on a power supply device, fixation device, and image forming apparatus. This innovative power supply device incorporates a voltage resonance circuit which includes an output coil designed to boost input direct-current voltage to a specific predetermined voltage, enabling effective current supply to the load. Additionally, it features a capacitor connected to the output coil that enhances its functionality. The design also integrates a switching unit, which is responsible for controlling the electric current flow to the output coil by being turned ON or OFF. A significant aspect of this invention is the auxiliary resonance circuit connected in parallel with the output coil, which minimizes switching losses without the need for a separate power control circuit for switching control.

Career Highlights

Shoji Totsuka is currently affiliated with Ricoh Company, Ltd., where he leverages his expertise to drive innovation within the organization. His dedication to research and development has significantly contributed to the advancement of technologies in the imaging and office equipment sector.

Collaborations

Throughout his career, Totsuka has collaborated with esteemed colleagues, including Tomofumi Yamashita and Hiroyuki Shinohara. These partnerships are pivotal in fostering an environment of collaboration and knowledge-sharing among inventors and engineers, enhancing the potential for groundbreaking inventions.

Conclusion

Shoji Totsuka stands out as a prominent figure in the realm of innovation, showcasing how dedication and creativity can lead to significant advancements in technological fields. With his inventive spirit and collaborative efforts, Totsuka continues to play a crucial role in shaping the future of power supply devices and image forming technologies.

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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