Yoshimi Katsumoto

Title: Innovations by Yoshimi Katsumoto

Introduction

Yoshimi Katsumoto is a notable inventor based in Ota-ku, Japan. She has made significant contributions to the field of light-emitting devices, holding a total of 3 patents. Her work focuses on enhancing the efficiency and functionality of light-emitting technologies.

Latest Patents

Katsumoto's latest patents include a light-emitting device and a method of manufacturing such a device. The invention features a substrate, a light-emitting element, and a wavelength conversion layer. A wall surrounds the wavelength conversion layer, which has an opening portion that exposes part of the top surface of the wavelength conversion layer. This wall contains a light reflective material and is designed with a top surface positioned higher than the wavelength conversion layer. The inner surface forms the opening portion, and the wall consists of a first portion surrounding the wavelength conversion layer and a second portion that surrounds the first. The opening portion is hollow, and the angle of the corner between the top surface and the inner surface of the wall is between 90 degrees and less than 180 degrees.

Career Highlights

Katsumoto is currently employed at Nichia Corporation, a leading company in the field of light-emitting diodes (LEDs). Her innovative work has contributed to advancements in lighting technology, making her a key figure in her industry.

Collaborations

Throughout her career, Katsumoto has collaborated with talented individuals such as Hiroshi Miyairi and Takayuki Igarashi. These collaborations have further enhanced her research and development efforts in the field of light-emitting devices.

Conclusion

Yoshimi Katsumoto's contributions to light-emitting technology through her patents and collaborations highlight her importance as an inventor. Her work continues to influence advancements in the industry, showcasing her innovative spirit and dedication to her field.