Location History:
- Tokyo, JA (1978)
- Kawasaki, JA (1978)
- Kawasaki, JP (1979)
Company Filing History:
3 out of 372 
2 out of 116 
Years Active: 1978-1979
Title: Takehiro Kojima: Innovator in Phosphor Technology
Introduction
Takehiro Kojima is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of phosphor technology, holding three patents to his name. His work focuses on the development of advanced materials that enhance the performance of light-emitting devices.
Latest Patents
Kojima's latest patents include a process for preparing a divalent europium activated alkaline earth metal aluminate phosphor. This innovative process is crucial for creating phosphors that emit light efficiently. Another notable patent involves a gaseous discharge light-emitting element, which is designed to operate within an air-tight container made of transparent material. This element contains a phosphor, a gas or gas mixture, and a pair of discharging electrodes. The design specifications include a discharge gap ranging from 0.1 to 3.0 mm and a pressure that ensures optimal performance.
Career Highlights
Throughout his career, Kojima 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 refine his expertise in phosphor technology and contribute to various innovative projects.
Collaborations
Kojima has collaborated with notable colleagues, including Akiyasu Kagami and Takashi Hase. These partnerships have fostered a creative environment that has led to advancements in their respective fields.
Conclusion
Takehiro Kojima's contributions to phosphor technology and his innovative patents highlight his role as a significant inventor in the industry. His work continues to influence the development of efficient light-emitting devices.