This inventor holds 4 USPTO granted patents. Top assignee: Motorola Corporation. Active years: 1997-1998.
Company Filing History:
Years Active: 1997-1998
Title: The Innovations of Philip P Kwan
Introduction
Philip P Kwan is a notable inventor based in Tempe, Arizona, recognized for his contributions to the field of radio technology. He holds a total of four patents, showcasing his innovative spirit and technical expertise. His work primarily focuses on enhancing the performance of radio transceivers through advanced filtering techniques.
Latest Patents
One of Kwan's latest patents is a saw filter device for radio transceivers utilizing different coupling methods. This invention describes a full duplex radio that achieves improved properties by employing asymmetric surface acoustic wave (SAW) filters. The filters consist of series and parallel coupled SAW resonators, where asymmetry is introduced by covering either the series or parallel resonators with a dielectric layer. This design increases the SAW coupling coefficient of the covered resonators compared to the uncovered ones. The arrangement of the filters in pairs with mirror image frequency asymmetry allows for greater pass-band bandwidths without negatively impacting transmitter and receiver isolation.
Career Highlights
Kwan's career is marked by his significant contributions to Motorola Corporation, where he has applied his innovative ideas to develop cutting-edge technologies in radio communications. His work has not only advanced the capabilities of radio devices but has also set new standards in the industry.
Collaborations
Throughout his career, Kwan has collaborated with esteemed colleagues such as Donald Eugene Allen and David Patrick Stumbo. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Philip P Kwan's innovative contributions to radio technology exemplify the impact of dedicated inventors in advancing communication systems. His patents reflect a deep understanding of acoustic wave technology and its applications in modern electronics.