Kamakura, Japan

Ken-Ichi Urayama

This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ken-Ichi Urayama. Retrieved from https://idiyas.com/inventor/ken-ichi-urayama

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 = 2.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1977

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Ken-Ichi Urayama: Innovator in Acoustic Surface-Wave Filter Technology

Introduction

Ken-Ichi Urayama is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of acoustic surface-wave technology. His innovative work has led to the development of a unique filter circuit that enhances signal processing capabilities.

Latest Patents

Urayama holds a patent for a filter circuit that incorporates an acoustic surface-wave filter device. This device features an input transducer with interleaved electrodes on a piezo-electric material, which propagates acoustic surface waves. The output transducer is similarly designed and spaced to receive these waves, producing an output signal with a specific frequency response. The frequency response can be adjusted by changing the number of conductor elements in the transducers. An amplifier is used to drive the filter device, ensuring optimal performance by compensating for changes in insertion loss and input impedance.

Career Highlights

Ken-Ichi Urayama is associated with Sony Corporation, where he has applied his expertise in developing advanced electronic components. His work has been instrumental in enhancing the performance of various electronic devices through innovative filtering solutions.

Collaborations

Urayama has collaborated with Kokichi Morii, contributing to the advancement of acoustic surface-wave technology. Their partnership has fostered innovation and development in this specialized field.

Conclusion

Ken-Ichi Urayama's contributions to acoustic surface-wave filter technology exemplify his innovative spirit and dedication to advancing electronic engineering. His patent and work at Sony Corporation highlight the importance of collaboration and creativity in driving technological progress.

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]
Loading…