Ryuichi Kuronuma

Title: Ryuichi Kuronuma: Innovator in Electronic Timepieces

Introduction

Ryuichi Kuronuma is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electronic timepieces, particularly through his innovative patent. His work focuses on enhancing the functionality and reliability of liquid crystal displays in timekeeping devices.

Latest Patents

Kuronuma holds a patent for an electronic timepiece that features a liquid crystal display and a dynamic driving circuit. This circuit produces a display driving signal with an effective driving voltage. The innovation includes a device that detects the capacitance of the liquid crystal to sense changes in ambient temperature. By adjusting the effective driving voltage in response to these changes, the invention maintains optimal display performance across a wide temperature range. This ensures that the 'on' voltage remains above the saturation voltage and the 'off' voltage stays below the threshold voltage, effectively eliminating cross talk.

Career Highlights

Kuronuma is associated with Kabushiki Kaisha Daini Seikosha, where he has contributed to the development of advanced electronic timepieces. His expertise in dynamic driving circuits and liquid crystal technology has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Kuronuma has worked alongside talented colleagues, including Kenichi Kondo and Noboru Kaneko. Their collaborative efforts have furthered the advancements in electronic timepiece technology.

Conclusion

Ryuichi Kuronuma's innovative work in electronic timepieces exemplifies the importance of adapting technology to meet environmental challenges. His patent not only enhances display performance but also showcases the potential for future advancements in the field.