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Title: Hitora Takahashi: Innovator in Light Emitting Diodes
Introduction
Hitora Takahashi is a notable inventor based in Ushiku, Japan. He has made significant contributions to the field of light-emitting diodes (LEDs) and epitaxial wafers. With a total of 3 patents to his name, Takahashi's work has advanced the technology used in modern lighting solutions.
Latest Patents
Takahashi's latest patents include innovative designs that enhance the performance and longevity of light-emitting diodes. One of his key inventions is a light-emitting diode with tilted plane orientation. This design features an epitaxial wafer where a gallium phosphide or gallium phosphide arsenide mixed crystal epitaxial layer is grown on a III-V family compound single crystal substrate. The substrate's surface is tilted by 5 to 16 degrees from a (100) plane, which improves light-emitting output and ensures a longer service life. Another significant patent is for an epitaxial wafer and its fabrication method. This invention includes a PN junction that enhances light output and allows for a well-formed ohmic electrode. The epitaxial layers are composed of GaAs.sub.1-x P.sub.x, with a first P-type layer formed through a vapor-phase growth process and a second P-type layer created via thermal diffusion.
Career Highlights
Throughout his career, Hitora Takahashi has worked with prominent companies such as Mitsubishi Chemical Corporation and Mitsubishi Kasei Corporation. His experience in these organizations has contributed to his expertise in the field of semiconductor technology.
Collaborations
Takahashi has collaborated with several talented individuals, including Tadashige Sato and Yasuji Kobashi. These partnerships have fostered innovation and development in his projects.
Conclusion
Hitora Takahashi's contributions to the field of light-emitting diodes and epitaxial wafers demonstrate his commitment to advancing technology. His innovative patents and collaborations highlight his role as a significant figure in the industry.