Company Filing History:
Years Active: 2005-2006
Title: Aki Kawamura: Innovator in Diamond Ultraviolet Light-Emitting Devices
Introduction
Aki Kawamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of light-emitting devices, particularly those utilizing diamond materials. With a total of two patents to his name, Kawamura's work is at the forefront of innovative technology.
Latest Patents
Kawamura's latest patents include a diamond ultraviolet light-emitting device and a diamond ultraviolet luminescent element. The diamond ultraviolet light-emitting device is a compact and efficient device that features a high-quality diamond grown by the chemical vapor deposition (CVD) method. This device utilizes a surface conductive layer and electrodes to facilitate current injection, resulting in dominant free-exciton recombination emission at a wavelength of 235 nm. The diamond ultraviolet luminescent element, on the other hand, incorporates a current-injection light-emitting diode structure. It consists of a boron-doped p-type diamond crystal and a phosphorous-doped n-type diamond crystal, both synthesized through advanced methods. The luminescence produced by this element also peaks at 235 nm, showcasing the effectiveness of current injection in generating ultraviolet light.
Career Highlights
Kawamura is associated with Tokyo Gas Company Limited, where he continues to develop innovative technologies. His work has garnered attention for its potential applications in various fields, including lighting and communication technologies.
Collaborations
Kawamura has collaborated with notable colleagues such as Kenji Horiuchi and Takefumi Ishikura. Their combined expertise has contributed to the advancement of diamond-based technologies.
Conclusion
Aki Kawamura's contributions to the field of diamond ultraviolet light-emitting devices highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to harnessing the unique properties of diamond materials for practical applications.