Location History:
- Nagaokakyo, JP (1993 - 1998)
- Ishikawa, JP (1998)
- Ishikawa-ken, JP (1998 - 1999)
- Ishikawa-gun, JP (1999)
- Yokohama, JP (2001)
Company Filing History:
Years Active: 1993-2001
Title: **Kazuhiko Morozumi: Innovator in Surface Acoustic Wave Technologies**
Introduction
Kazuhiko Morozumi, an accomplished inventor based in Ishikawa-ken, Japan, has made significant contributions to the field of surface acoustic wave (SAW) technology. With a remarkable portfolio of nine patents to his name, Morozumi's innovations have advanced communication devices and filtering technologies used in various electronic applications.
Latest Patents
Among Morozumi's latest patents are the "Multi-mode Edge Reflection Saw Filter Device with Ground Electrodes Between Stages" and the "Edge Reflection Longitudinally Coupled Surface Acoustic Wave Filter." The first patent details a sophisticated surface acoustic wave filter apparatus that employs multiple stages of multi-mode filters arranged on a common piezoelectric substrate, enabling efficient signal processing. The integration of ground electrodes between the stages enhances performance and stability. The second patent introduces an innovative edge reflection longitudinally coupled device that utilizes shear horizontal surface waves, optimizing the reflection mechanism to form a standing wave. This design addresses spurious responses, ensuring high-frequency performance in communication applications.
Career Highlights
Kazuhiko Morozumi's career is marked by his association with Murata Manufacturing Co., Ltd., a leader in electronic components and solutions. His work at Murata has allowed him to leverage his expertise in acoustic wave technologies, contributing to advancements in high-performance filters for mobile communications and other critical electronic systems.
Collaborations
Throughout his career, Morozumi has worked alongside notable colleagues, including Michio Kadota and Haruo Morii. These collaborations have fostered a rich environment for innovation, leading to the development of groundbreaking technologies in the field of surface acoustic waves.
Conclusion
Kazuhiko Morozumi is a distinguished inventor whose innovative work continues to shape the landscape of communication technology. With nine patents reflecting his expertise and creativity, Morozumi exemplifies the spirit of innovation that drives progress in the electronic industry. His contributions not only enhance device performance but also pave the way for future developments in the realm of acoustic wave technology.