Location History:
- Tokyo, JP (1990 - 1997)
- Yokohama, JP (2002 - 2005)
- Yokohama Kanagawa, JP (2024)
Company Filing History:
7 out of 52,766 
1 out of 1 
1 out of 1,522 Years Active: 1990-2024
Title: Innovations of Tadashi Arai
Introduction
Tadashi Arai is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of electronics, holding a total of 8 patents. His work primarily focuses on advanced amplifier technologies and anomaly detection systems.
Latest Patents
Among his latest innovations is the isolation amplifier, which includes a primary circuit with an encoder that encodes an input signal. This device also features an anomaly detection circuit that identifies any anomalies in the input signal and generates a corresponding detection signal. Additionally, the isolation unit insulates the primary circuit from a secondary circuit, while the output circuit generates an output signal based on the input signal. Another notable patent is the variable gain amplifier, which amplifies the difference between an input signal and a feedback signal. This device includes a feedback circuit that supplies the feedback signal and a controller that adjusts the cutoff frequency of the feedback circuit based on the gain of the variable gain amplifier circuit.
Career Highlights
Tadashi Arai has worked with notable companies, including Toshiba Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in electronics.
Collaborations
Throughout his career, Arai has collaborated with talented individuals such as Takashi Ueno and Tetsuro Itakura. These partnerships have contributed to the advancement of his projects and inventions.
Conclusion
Tadashi Arai's contributions to the field of electronics through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.