Tetsuya Utsumi, Deceased

Title: Tetsuya Utsumi: Innovator in Light-Emitting Technology

Introduction

Tetsuya Utsumi was a notable inventor known for his contributions to light-emitting technology. He was based in Kariya, Japan, and held a total of 2 patents during his career. His innovative work has had a lasting impact on the field of optoelectronics.

Latest Patents

Utsumi's latest patents include a light-emitting apparatus and a method for forming the same. In his first patent, he described a bottom emission type light-emitting apparatus where the substrate's face opposite the light-emitting device features an uneven surface with multiple asperities. The mean spacing of adjacent asperities is designed to optimize light extraction efficiency and brightness. His second patent also focuses on a light-emitting apparatus with an uneven surface, which enhances light emission and reduces brightness unevenness compared to traditional designs.

Career Highlights

Throughout his career, Utsumi worked at Kabushiki Kaisha Toyota Jidoshokki, where he contributed significantly to advancements in light-emitting technologies. His innovative approaches have paved the way for improved efficiency in light-emitting devices.

Collaborations

Utsumi collaborated with several talented individuals, including Masayuki Harada and Tomoko Utsumi, who served as a legal representative. These collaborations helped to further his research and development efforts in the field.

Conclusion

Tetsuya Utsumi's work in light-emitting technology has left a significant mark on the industry. His patents continue to influence advancements in the field, showcasing the importance of innovation in technology.