Hiroaki Fumoto

Title: Innovations by Hiroaki Fumoto

Introduction

Hiroaki Fumoto is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of optical technology, holding a total of four patents. His work focuses on enhancing the performance and quality of liquid crystal display devices.

Latest Patents

Fumoto's latest patents include an optical layered body and a liquid crystal display device utilizing this optical layered body. This invention aims to suppress the occurrence of moire while improving brightness and viewing angle characteristics. The optical laminate consists of a polarizer, a light-diffusing pressure-sensitive adhesive layer, a matte layer, and a louver layer. The louver layer features light-transmitting portions with a trapezoidal section arranged along the film plane, interspersed with light-absorbing portions. The invention also details specific relationships between the haze value of the adhesive layer and the bias angle of the louver layer, ensuring optimal performance.

Another significant patent involves an optical pressure-sensitive adhesive sheet designed to prevent white turbidity caused by humidification while maintaining excellent durability. This adhesive sheet includes a pressure-sensitive adhesive layer that meets specific moisture and elasticity criteria, ensuring reliable performance in various conditions.

Career Highlights

Hiroaki Fumoto is currently employed at Nitto Denko Corporation, a leading company in the field of advanced materials and technologies. His work at the company has allowed him