Location History:
- Yamanashi, JP (2016)
- Kanagawa-Ken, JP (2016)
- Ebina, JP (2013 - 2020)
Company Filing History:
10 out of 608 
6 out of 2,002 
4 out of 450 Years Active: 2013-2020
Title: Innovations by Tatsuya Katoh: A Light-Emitting Pioneer
Introduction
Tatsuya Katoh, a notable inventor based in Ebina, Japan, has made significant contributions to the field of light-emitting devices. With a remarkable portfolio of ten patents, he is recognized for his innovative approaches to enhancing light emission technology.
Latest Patents
One of his latest patents involves a light-emitting device and an accompanying method for its manufacturing. This invention addresses the challenge of color unevenness during light emission, particularly in scenarios where variations exist among light-emitting elements due to the concentration of phosphor used in the resin sealing the elements. The design includes a substrate with multiple light-emitting elements mounted on it. Additionally, a first resin layer seals these elements and utilizes a first phosphor, which is excited by light from the elements at a decreasing concentration towards the substrate. Above this layer, a second resin layer is introduced, incorporating a second phosphor that maintains a uniform concentration, thus ensuring consistent light quality.
Career Highlights
Throughout his career, Katoh has worked with esteemed companies, including Citizen Electronics Co., Ltd. and Citizen Watch Company, Ltd. His roles in these organizations have provided him with valuable experience, leading to significant advancements in light-emitting technologies.
Collaborations
In his journey of innovation, Katoh has collaborated with other talented professionals in the field, including Sadato Imai and Hiroaki Eguchi. These collaborations have fostered a creative environment that has likely propelled his inventions to new heights.
Conclusion
Tatsuya Katoh's dedication to developing advanced light-emitting devices highlights the importance of innovation in technology. With his latest patents addressing critical challenges in the industry, he continues to be a driving force in enhancing the quality and efficiency of light-emission technology. His work, combined with fruitful collaborations and experiences in reputable companies, establishes him as a prominent figure in the realm of inventions.