This inventor holds 8 USPTO granted patents. Top assignee: Ngk Spark Plug Company, Limited. Active years: 1987-1994.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tohkai, JP (1987 - 1989)
- Aichi, JP (1992 - 1994)
- Nagoya, JP (1993 - 1994)
Company Filing History:
Years Active: 1987-1994
Title: Hisao Banno: Innovator in Piezoelectric Technology
Introduction
Hisao Banno is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of piezoelectric materials and devices. With a total of 8 patents to his name, Banno's work has advanced the technology used in various applications, particularly in communication equipment.
Latest Patents
One of Hisao Banno's latest patents is a piezoelectric composite material. This innovative material includes an organic matrix and 72-78% by volume of a piezoelectric ceramic powder. The ceramic powder consists of three groups of lead titanate particles, each with different average particle sizes. The sizes range from 2.5-4.5 µm, 5-10 µm, and 20-40 µm, respectively. Additionally, some lead titanate particles may be substituted with lead titanate zirconate of similar particle size.
Another notable patent is a ladder-type piezo-electric filter designed for radio communication equipment. This filter operates in a high-frequency region of approximately 1.7 MHz-2 MHz. It is smaller, less costly, and easier to handle and produce compared to conventional ladder-type electric filters. The design utilizes rectangular piezo-resonators that generate harmonic oscillation, with piezo-electric regions formed by dividing surface electrodes with isolating slits.
Career Highlights
Hisao Banno is currently associated with NGK Spark Plug Company, Limited. His work at this company has allowed him to focus on developing advanced piezoelectric technologies. His contributions have been instrumental in enhancing the performance and efficiency of various electronic devices.
Collaborations
Throughout his career, Banno has collaborated with notable colleagues, including Kohji Ogura and Yasuhiko Nakagawa. These collaborations have fostered innovation and have led to the development of cutting-edge technologies in the field.
Conclusion
Hisao Banno's innovative work in piezoelectric materials and devices has made a significant impact on technology. His patents reflect his dedication to advancing the field and improving communication equipment. His contributions continue to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile