Hamamatsu, Japan

Ryuichi Izumi

This inventor holds 8 USPTO granted patents and 1 EPO patent. Top assignee: Yamaha Corporation. Active years: 2006-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuichi Izumi. Retrieved from https://idiyas.com/inventor/ryuichi-izumi

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


% Patents Active = 62.5

 

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 2006-2023

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8 patents (USPTO):Explore Patents

Title: Ryuichi Izumi: Innovator in Rotation Operation Devices

Introduction

Ryuichi Izumi is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of rotation operation devices, holding a total of 8 patents. His innovative designs have enhanced user interaction with various electronic devices.

Latest Patents

One of his latest inventions is a rotation operation device that features a rotation shaft with a first and second end portion. This device includes a conductive knob that allows for rotation, a touch sensor to detect contact with the knob, and an elastic body that connects the knob to the touch sensor. The design incorporates a recessed surface on the knob, enhancing its functionality. Another notable patent is a rotary knob that fits into a mating hole, featuring an elastic piece that deforms when the rotation shaft is inserted. This design ensures a secure and responsive interaction with the device.

Career Highlights

Ryuichi Izumi has dedicated his career to advancing technology in user interface design. His work at Yamaha Corporation has positioned him as a key player in the development of innovative electronic components. His patents reflect a commitment to improving the functionality and user experience of electronic devices.

Collaborations

Ryuichi has collaborated with talented individuals such as Yoshihiro Natsume and Kei Kunisada. Their combined expertise has contributed to the successful development of various projects within Yamaha Corporation.

Conclusion

Ryuichi Izumi's contributions to the field of rotation operation devices demonstrate his innovative spirit and dedication to enhancing technology. His patents continue to influence the design and functionality of electronic devices, making him a notable figure in the industry.

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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