Tokyo, Japan

Takeo Maruyama

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Sg. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Maruyama. Retrieved from https://idiyas.com/inventor/takeo-maruyama-spdkq31i

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 = 40(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Takeo Maruyama: Innovator in Rotational Position Detection Technology

Introduction

Takeo Maruyama is a distinguished inventor based in Tokyo, Japan. He is known for his innovative contributions to the field of rotational position detection devices. With a focus on enhancing the accuracy and efficiency of such technologies, Maruyama has made significant strides in his area of expertise.

Latest Patents

Maruyama holds a patent for a rotational position detection device. This device comprises a stator section that includes primary and secondary windings, along with a rotor section capable of performing relative rotational displacement with respect to the stator section. A conductive substance portion is designed in a predetermined pattern, allowing the amount of flux passing through it to change according to the rotor's relative position. This change induces an eddy current, which alters the reluctance and produces a secondary output signal corresponding to the rotational position in the stator windings. The conductive pattern can be easily formed using electro-plating or other surface processing techniques, enhancing the device's practicality.

Career Highlights

Maruyama's career is marked by his dedication to advancing technology in rotational position detection. His work has not only contributed to the development of innovative devices but has also positioned him as a key figure in his field. He is associated with Kabushiki Kaisha Sg, where he continues to push the boundaries of technology.

Collaborations

Throughout his career, Maruyama has collaborated with notable colleagues, including Wataru Ichikawa and Yuji Matsuki. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Takeo Maruyama's contributions to the field of rotational position detection technology exemplify his commitment to innovation. His patent and collaborative efforts highlight his role as a significant inventor in this specialized area.

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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