Hisakazu Yamane

Title: Hisakazu Yamane: Innovator in Electron Gun Technology

Introduction

Hisakazu Yamane is a prominent inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of electron gun technology, holding a total of 4 patents. His work has been instrumental in advancing the performance and functionality of electron guns used in various imaging devices.

Latest Patents

Yamane's latest patents include innovative designs for electron guns that enhance focus and convergence. One notable invention is the "Dynamic Focusing Electron Gun," which features a multi-stage convergence type with multiple focusing electrodes. This design allows for a quadrupole lens nearest to the cathode to have a diverging function in the horizontal scanning direction while converging in the vertical scanning direction. This unique structure ensures that the operation of the quadrupole lenses remains stable, even when a voltage synchronized with a deflection current is applied.

Another significant patent is for an "Electron Gun Having Improved Focus and Convergence." This invention is utilized in color cathode-ray tubes and image display devices. It incorporates two pairs of convergence electrodes within a focusing electrode, allowing for precise focusing of three electron beams. By superposing an alternating current voltage synchronized with a deflection current, the side beams are effectively separated near the screen's peripheral edge, ensuring accurate focusing on the display.

Career Highlights

Yamane is currently associated with Mitsubishi Denki Kabushiki Kaisha, where he continues to innovate in the field of electron technology. His work has garnered attention for its practical applications in enhancing image quality in electronic displays.

Collaborations

Throughout his career, Yamane has collaborated with notable colleagues, including Chie Takahashi and Hisao Nakanishi. These partnerships have contributed to the development of advanced technologies in the field.

Conclusion

Hisakazu Yamane's contributions to electron gun technology have significantly impacted the industry, showcasing his innovative spirit and dedication to advancing imaging technology. His patents reflect a deep understanding of the complexities involved in electron beam manipulation, making him a key figure in this specialized field.