Kenji Yanagawa

Title: Kenji Yanagawa: Innovator in Display and Semiconductor Technologies

Introduction

Kenji Yanagawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the fields of display technology and semiconductor devices. With a total of 3 patents to his name, Yanagawa's work has had a notable impact on the industry.

Latest Patents

Yanagawa's latest patents include a display apparatus, a source driver, and a gradation voltage generating circuit. The source driver supplies a display device with gradation voltages that correspond to the luminance levels indicated by a video signal. It features a gamma voltage generating circuit that utilizes a resistor voltage dividing circuit with multiple output terminals. These terminals output reference voltages divided according to gamma curve characteristics, which are essential for generating the gradation voltages. Additionally, the gradation voltage determination circuit measures the electric potential difference between output terminals to ensure it corresponds to the reference voltage group based on gamma curve characteristics.

Another significant patent involves a semiconductor device, a battery monitoring system, and a detection method. This invention allows for the switching of a capacitor's connection to either the positive or negative electrode of a battery cell. The system includes a comparator with input terminals that connect to the battery cell via the capacitor, enabling effective monitoring and detection of battery conditions.

Career Highlights

Throughout his career, Kenji Yanagawa has worked with notable companies such as Lapis Semiconductor Co., Ltd. and Lapis Technology Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technologies and display systems.

Collaborations

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Conclusion

Kenji Yanagawa's innovative work in display and semiconductor technologies has led to valuable patents that enhance the functionality of electronic devices. His contributions continue to influence the industry and pave the way for future advancements.