Keiji Amemiya

Title: Keiji Amemiya: Innovator in Retroreflective Technology

Introduction

Keiji Amemiya is a notable inventor based in Namerikawa, Japan. He has made significant contributions to the field of retroreflective technology, holding a total of four patents. His work focuses on enhancing the efficiency and characteristics of retroreflective articles.

Latest Patents

Amemiya's latest patents include innovative designs for retroreflective articles. One of his patents describes a retroreflective article that boasts excellent retroreflective efficiency, entrance angle characteristics, observation angle characteristics, and rotation angle characteristics. This article features a number of cube corner retroreflective elements arranged closely on a common plane. Each element has three reflective lateral surfaces and an optical axis that passes through a common apex. Another patent introduces a hexagonal cube corner retroreflective article, which consists of numerous hexagonal cube corner retroreflective elements. This design enhances observational angle characteristics by dividing at least one reflective lateral face into upper and lower secondary reflective lateral faces.

Career Highlights

Throughout his career, Amemiya has worked with prominent companies in the industry. He has been associated with Nippon Carbide Industries Co., Inc. and Nippon Carbide Kogyo Kabushiki Kaisha, where he has contributed to advancements in retroreflective technologies.

Collaborations

Amemiya has collaborated with notable individuals in his field, including Ikuo Mimura and Chihiro Hayashi. Their joint efforts have furthered the development of innovative retroreflective solutions.

Conclusion

Keiji Amemiya's contributions to retroreflective technology have established him as a key figure in the field. His innovative patents and collaborations reflect his commitment to enhancing the efficiency and functionality of retroreflective articles.