Company Filing History:
Years Active: 1991-1998
Title: Kenji Kawakami: Innovator in Piezoelectric Filter Technology
Introduction
Kenji Kawakami is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of piezoelectric filter technology, holding a total of 3 patents. His innovative designs have advanced the performance and efficiency of electric filter devices.
Latest Patents
Kawakami's latest patents include a "Ladder type piezoelectric filter including conductive rubber plates." This invention features a ladder-type electric filter device that incorporates rubber plates, which are designed to maintain resilient contact with the surface of piezoelectric resonators. The unique shape of the rubber plates prevents contact with the corner edges of the resonators, allowing extensive contour vibrations to occur. This design reduces insertion loss and improves group delay frequency characteristics. Another significant patent is the "Ladder-type electric filter device," which consists of an input terminal, an output terminal, and a series of resonators connected in a manner that enhances group delay time characteristics.
Career Highlights
Kawakami is currently employed at NGK Spark Plug Company, Limited, where he continues to innovate and develop advanced technologies in the field of piezoelectric filters. His work has been instrumental in improving the performance of electric filter devices, making them more efficient and reliable.
Collaborations
Kawakami collaborates with Eiji Ozeki, a fellow innovator, to further enhance their research and development efforts in piezoelectric technology.
Conclusion
Kenji Kawakami's contributions to piezoelectric filter technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in electric filter design, paving the way for future advancements in the field.