Shingo Okada

Title: Innovator Spotlight: Shingo Okada from Saijou, JP

Introduction: Shingo Okada, a prominent inventor based in Saijou, Japan, has made significant contributions to the field of lighting technology. With a total of two patents to his name, his innovative ideas reflect a deep understanding of complex electrical systems and their applications. Okada currently works at Minebea Company, Limited, where he develops cutting-edge solutions in various electrical devices.

Latest Patents: Among Okada's most notable inventions is the "Cold Cathode Tube Lighting Device Using Piezoelectric Transformer." This invention addresses multiple issues found in inverter devices caused by traditional winding transformers. By employing a piezoelectric transformer, Okada's design allows for enhanced lighting and light control in cold cathode tubes. The device comprises a piezoelectric circuit designed to illuminate the tubes, forming a series resonance circuit at the primary side of the transformer. An innovative operation control device manages the ON-OFF control of the resonance circuit utilizing a switching element, which operates at a timing advanced from the resonance frequency. This arrangement ensures efficient operation while also stepping up the input voltage, thereby optimizing power delivery.

Another remarkable patent is the "Voltage Resonance Inverter Circuit for Dimmable Cold Cathode Tubes." The goal of this invention is to facilitate a consistent zero-voltage switching action in response to varying input voltages. Okada's design cleverly decreases the capacitance of the voltage resonance capacitor when the input voltage rises, resulting in increased characteristic impedance of the resonance circuit. This adjustment amplifies the resonance voltage, effectively triggering the zero-voltage switching action, which is essential for effective dimming capabilities.

Career Highlights: Throughout his career, Shingo Okada has demonstrated a strong commitment to innovation and excellence in the electrical engineering arena. His success as an inventor is not solely defined by his patents but also by his ability to solve real-world problems with his inventive designs. Okada's contributions to lighting technology are shaping the future of energy efficiency and illumination.

Collaborations: At Minebea Company, Limited, Okada collaborates with fellow inventor Takao Takehara. Their partnership reflects a shared vision of advancing technology and creating impactful inventions aimed at improving everyday electrical devices.

Conclusion: Shingo Okada stands out as a skilled inventor whose work is paving the way for new advancements in lighting technology. His two patents reflect his innovative spirit and dedication to enhancing the functionality of cold cathode tubes, making significant strides in the field. With collaborative efforts and continued commitment, Okada and his research team are poised to further revolutionize the world of electrical engineering.