Location History:
- Tokyo, JA (1978)
- Machida, JA (1978)
- Machida, JP (1979)
Company Filing History:
3 out of 372 
2 out of 116 
Years Active: 1978-1979
Title: Innovations of Junro Koike
Introduction
Junro Koike is a notable inventor based in Machida, Japan. He has made significant contributions to the field of materials science, particularly in phosphor technology. With a total of three patents to his name, Koike's work has implications for various applications, including lighting and display technologies.
Latest Patents
Koike's latest patents include a process for preparing a divalent europium activated alkaline earth metal aluminate phosphor. This innovative process enhances the efficiency and effectiveness of phosphors used in various applications. Another notable patent involves a gaseous discharge light-emitting element. This invention features an air-tight container made of transparent material, which contains a phosphor, a gas or gas mixture, and a pair of discharging electrodes. The design specifies a discharge gap ranging from 0.1 to 3.0 mm, with the pressure of the gas or gas mixture sealed in the container being such that the product of the pressure and the discharge gap falls within the range of 30 to 300 Torr.mm. The gas or gas mixture utilized has discharge radiation spectra within the region of wavelengths shorter than 200 nm, and the phosphor is a europium activated yttrium gadolinium borate phosphor.
Career Highlights
Throughout his career, Junro Koike has worked with prominent companies such as Nippon Hoso Kyokai and Dai Nippon Toryo Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in his field.
Collaborations
Koike has collaborated with notable individuals in his field, including Akiyasu Kagami and Takashi Hase. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Junro Koike's contributions to the field of phosphor technology and his innovative patents highlight his role as a significant inventor. His work continues to influence advancements in lighting and display technologies, showcasing the importance of innovation in modern applications.