Company Filing History:
Years Active: 1977-1990
Title: **Reynold S. Kagiwada: A Pioneer in Surface Acoustic Wave Technologies**
Introduction
Reynold S. Kagiwada is an accomplished inventor based in Los Angeles, California, recognized for his significant contributions to the field of surface acoustic wave (SAW) technology. With a total of eight patents to his name, Kagiwada has made notable advancements that have implications in signal processing and communication technologies.
Latest Patents
Among his latest innovations, Kagiwada introduced a remarkable patent titled **"Parallel-to-serial signal processor using surface acoustic waves."** This invention pertains to a device that effectively converts multiple parallel signals into a smaller number of serial signals. The device is structured around a piezoelectric substrate and includes a SAW input transducer that propagates periodic surface acoustic waves. The multitudes of parallel signals are received through an array of acoustic charge transport (ACT) input transducers, transforming them into packets of electrical charge. These packets are then transported across the device, utilizing the surface acoustic waves generated by the SAW input transducer. Finally, an ACT output transducer plays a crucial role by converting the charge packets back into electrical signals, outputting them in serial form.
Kagiwada's other notable invention is the **"Isotropic acoustic wave substrate,"** which delineates a SAW diffraction-effect device characterized by a highly isotropic substrate featuring a high coupling coefficient and minimal attenuation losses. This innovation employs X-propagating rotated-Y-cut lithium niobate as the SAW substrate, optimized with a Y rotation angle of 121 degrees to achieve practical isotropy. This substrate is particularly advantageous due to its high coupling coefficient and low attenuation losses.
Career Highlights
Reynold Kagiwada's impressive career is marked by his role at TRW Limited, a renowned company specializing in advanced research and innovative technologies. His pioneering work in the domain of surface acoustic waves has significantly amplified the capabilities and applications of this technology in various fields.
Collaborations
Throughout his career, Kagiwada has collaborated with talented professionals, including Kuo-Hsiung Yen and Kei-Fung Lau. Their combined efforts and expertise have been instrumental in driving progress and achieving breakthroughs in their research endeavors.
Conclusion
Reynold S. Kagiwada stands out as a prominent figure in the realm of surface acoustic wave technology, with a strong portfolio reflecting his innovative spirit and research expertise. His patents illustrate a commitment to advancing technology, making significant impacts in telecommunications and related industries. As he continues his work, Kagiwada's contributions will undoubtedly pave the way for future technological advancements.
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