Mitsuhiro Oikawa

Title: Mitsuhiro Oikawa: Innovator in Phosphor Technology

Introduction

Mitsuhiro Oikawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of phosphor technology, holding a total of 2 patents. His work focuses on methods for surface treatment of phosphor particles and the preparation of zinc sulfide phosphors.

Latest Patents

Oikawa's latest patents include a method for surface treatment of phosphor particles. This method involves forming a continuous film of silicon dioxide on the surface of each phosphor particle by treating it with a solution containing an aqueous solution of organic alkali and dissolved silicon dioxide. Another significant patent is for a zinc sulfide phosphor coactivated with copper and gold. This phosphor contains specific percentages of copper and gold as co-activators, ensuring that there are no segregated free sulfides on the surface layer. The chromaticity of the emission from this phosphor falls within the CIE chromaticity coordinates of x=0.310 to 0.350 and y=0.560 to 0.600.

Career Highlights

Throughout his career, Oikawa has worked with prominent companies such as Tokyo Shibaura Denki and Tokyo Shibaura Electric Co., Ltd. His experience in these organizations has contributed to his expertise in phosphor technology and innovation.

Collaborations

Oikawa has collaborated with notable individuals in his field, including Minoru Watanabe and Toshio Nishimura. These collaborations have likely enhanced his research and development efforts in phosphor technology.

Conclusion

Mitsuhiro Oikawa is a distinguished inventor whose work in phosphor technology has led to innovative methods and materials. His contributions continue to impact the field significantly.