Keiichi Nakanishi

Title: Keiichi Nakanishi: Innovator in Eyewear Technology

Introduction

Keiichi Nakanishi is a prominent inventor based in Fukui, Japan, known for his contributions to eyewear technology. With a total of two patents to his name, Nakanishi has made significant advancements in the design and functionality of eyewear components.

Latest Patents

Nakanishi's latest patents include a polarizable compact and a screwless hinge system for eyewear. The polarizable compact is designed for high productivity, ensuring that the polarizing sheet is resistant to color unevenness and voids. This innovation also addresses variations in polarization degree that may occur due to thermal shrinkage of the protective layer. The compact utilizes a transparent plastic material that is thermally bonded to a polarizing sheet with a specific curvature radius. The polarizing sheet features a polarizer layer sandwiched between two protective layers made from transparent films.

The screwless hinge system allows for a seamless connection between the temple and front frame of eyewear. This system includes a hooked tab with a single hook and a base that engages the frame, enabling easy opening and closing of the temple without the need for tools.

Career Highlights

Nakanishi has worked with notable companies such as Nakanishi Optical Products Corporation and Tokai Seimitsu Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in the field of optical products.

Collaborations

Throughout his career, Nakanishi has collaborated with talented individuals, including Norihito Souma and Alessandro Pol. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Keiichi Nakanishi's work in eyewear technology showcases his innovative spirit and dedication to improving product functionality. His patents reflect a commitment to quality and advancement in the optical industry.