Location History:
- Izumi, JP (1982)
- Tagajo, JP (1983)
Company Filing History:
Years Active: 1982-1983
Title: Innovations of Hiroshi Watanabe
Introduction
Hiroshi Watanabe is a notable inventor based in Izumi, Japan. He has made significant contributions to the field of piezoelectric technology, holding two patents that showcase his innovative approach to electromechanical filters.
Latest Patents
Watanabe's latest patents include advancements in multiple resonant electromechanical filters utilizing edge-mode vibration. One patent describes a multimode piezoelectric mechanical filter that employs edge-mode piezoelectric transducers. These transducers consist of a semi-infinite or long piezoelectric plate polarized in the thickness direction, with exciting electrodes positioned at one end. The design allows for mechanical coupling between transducers and resonator elements, facilitating the transmission of edge-mode vibrations. Another patent focuses on a piezoelectric resonator designed to trap vibratory energy, featuring a rectangular piezoelectric plate with strategically placed electrodes to lower the cut-off frequency and confine energy within the central portion of the plate.
Career Highlights
Hiroshi Watanabe is associated with Tohoku Metal Industries, where he applies his expertise in piezoelectric technology. His work has contributed to advancements in mechanical filters and resonators, enhancing the performance and efficiency of various applications.
Collaborations
Watanabe has collaborated with notable colleagues, including Hiroshi Shimizu and Yuji Iseki, to further his research and development efforts in the field of piezoelectric technology.
Conclusion
Hiroshi Watanabe's innovative work in piezoelectric technology and his contributions to the development of advanced electromechanical filters highlight his importance as an inventor. His patents reflect a commitment to enhancing the functionality and efficiency of piezoelectric devices.