Company Filing History:
Years Active: 2008-2011
Title: Shouichi Okuda: Innovator in Circuit Design
Introduction
Shouichi Okuda is a prominent inventor based in Nukata-gun, Japan. He has made significant contributions to the field of circuit design, holding a total of 5 patents. His work focuses on improving the efficiency and reliability of electronic circuits, particularly in automotive applications.
Latest Patents
One of Okuda's latest patents is a constant current control circuit. This invention discloses a design where pads are connected with a common power supply terminal. Shunt resistors are strategically located outward of a region containing P-channel MOS transistors. This structure effectively suppresses temperature increases of the shunt resistors due to the heat generated by the MOS transistors. Notably, when one circuit system's MOS transistor is driven, the shunt resistor of another system remains distant, further minimizing temperature rise. Additionally, the design allows for a single common power supply terminal, reducing the number of terminals required.
Another significant patent is a load-driving circuit that supplies electric current to loads, such as the resistor of an airbag squib. This circuit includes high side and low side current control circuits connected in series. Each control circuit consists of a driving transistor, a resistor, and a current mirror circuit to manage the operation of the driving transistor. The components are arranged within an integrated circuit chip to create varying temperature gradients. For instance, the low side resistor is positioned near the high side driving transistor, allowing it to be heated by the latter under constant current control. This innovative arrangement enables automatic switching between control modes to prevent overheating of the transistors.
Career Highlights
Shouichi Okuda is currently employed at Denso Corporation, a leading global automotive supplier. His work at Denso has allowed him to apply his innovative ideas in practical applications, contributing to advancements in automotive technology.
Collaborations
Okuda has collaborated with notable colleagues, including Yoshinori Arashima and Masahiko Ito. Their combined expertise has fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Shouichi Okuda's contributions to circuit design have made a significant impact in the field of electronics, particularly in automotive applications. His innovative patents demonstrate his commitment to enhancing the efficiency and reliability of electronic systems.
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