Location History:
- Kanagawa, JP (1998)
- Yokohama, JP (2000)
Company Filing History:
Years Active: 1998-2000
Title: Innovations of Katsumi Itoh
Introduction
Katsumi Itoh is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of surface acoustic wave devices, holding 2 patents that enhance the performance of communication apparatuses. His work focuses on improving filter characteristics in television receivers and reducing noise in frequency characteristics.
Latest Patents
One of his latest patents is a surface acoustic wave device designed for use as a filter in television receiver sets. This device effectively reduces reflection waves generated from the outermost electrodes of input and output interdigital transducers, thereby improving various filter characteristics. The device features a piezoelectric substrate with input and output interdigital transducers that convert electric signals into surface acoustic waves and vice versa. Additionally, it includes dummy electrodes that help optimize the performance of the transducers.
Another significant patent involves a surface acoustic wave device with a novel structure that restricts TTE and ripple noise in its frequency characteristics and group delay time characteristics. This innovation suppresses acoustic reflection, enhancing the device's internal dissipation and overall performance without the need for a phase shifter. By utilizing this advanced surface acoustic wave device, communication apparatuses can achieve improved performance.
Career Highlights
Katsumi Itoh has worked with prominent companies such as Hitachi Media Electronics Co., Ltd. and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies in the field of surface acoustic wave devices.
Collaborations
Throughout his career, Katsumi Itoh has collaborated with notable colleagues, including Takashi Shiba and Hitoshi Yanagihara. These collaborations have likely played a role in the successful development of his patented technologies.
Conclusion
Katsumi Itoh's contributions to the field of surface acoustic wave devices demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to enhancing communication technologies, making a lasting impact in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.