Hidetoshi Yokoi

Title: Hidetoshi Yokoi: Innovator in Injection Molding Technology

Introduction

Hidetoshi Yokoi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of injection molding technology, particularly with his innovative methods for creating holes in molded plastic articles. His work has led to advancements that enhance the efficiency and quality of plastic manufacturing processes.

Latest Patents

Hidetoshi Yokoi holds a patent for an injection method that involves creating a hole in an injection molded plastic article. This method includes filling a mold cavity with molten plastic and cooling it to effect gate seal. A first hole-making punch and a second punch are vibrated with high frequency after the gate seal is completed, allowing for the softening of the solidified plastic between the two punches. The punches are then displaced to create the hole. Additionally, a second injection method allows for the hole to be made by sliding the punches during both dwelling and cooling, ensuring a high-quality cut surface in the molded article.

Career Highlights

Throughout his career, Hidetoshi Yokoi has worked with various companies, including Kabushiki Kaisha Fujikoshi. His experience in the industry has equipped him with the knowledge and skills necessary to develop innovative solutions in plastic molding.

Collaborations

Hidetoshi has collaborated with notable individuals in his field, including Toshikato Okumura and Yukio Nakamura. These collaborations have contributed to the advancement of injection molding techniques and have fostered a spirit of innovation.

Conclusion

Hidetoshi Yokoi's contributions to injection molding technology demonstrate his commitment to innovation and excellence in the field. His patented methods have the potential to significantly improve manufacturing processes in the plastic industry.