Company Filing History:
7 out of 2,899 
1 out of 163 
1 out of 334 
Years Active: 2003-2021
Title: Tomohiro Oka: Innovator in Circuit Design
Introduction
Tomohiro Oka is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of circuit design, holding a total of 10 patents. His work focuses on enhancing the reliability and efficiency of electronic circuits.
Latest Patents
Among his latest innovations are the zero cross detection circuit and a switch circuit. The zero cross detection circuit features a first comparator circuit that receives two input signals and outputs a comparison result. It also includes a second comparator circuit with a hysteresis function, a power supply voltage detection circuit, and a logic circuit that generates a zero cross detection signal based on the comparison results. The switch circuit is designed to reliably control the transmission of voltage from GND to VDD, even when subjected to positive or negative voltages. This innovation reduces the risk of latch-up and utilizes NMOS transistors controlled by a boosting circuit output.
Career Highlights
Tomohiro Oka has worked with Seiko Instruments Inc, where he applied his expertise in circuit design. His contributions have been instrumental in advancing the technology used in various electronic devices.
Collaborations
Throughout his career, Oka has collaborated with notable professionals, including Yoshihide Kanakubo and Takeshi Naka. Their combined efforts have led to significant advancements in the field of electronics.
Conclusion
Tomohiro Oka's innovative work in circuit design has made a lasting impact on the industry. His patents reflect a commitment to improving electronic systems, showcasing his role as a key inventor in this field.