Location History:
- Kanagawa, JP (1998)
- Kawasaki, JP (1998)
- Fukuoka-ken, JP (2014)
Company Filing History:
Years Active: 1998-2014
Title: **Katsuhiko Nishitani: Innovator in Semiconductor Light Emitting Devices**
Introduction
Katsuhiko Nishitani is a prominent inventor based in Fukuoka-ken, Japan, known for his significant contributions to the field of semiconductor technology. With a total of three patents to his name, Nishitani has made strides in enhancing light emission efficiency through innovative designs and manufacturing processes.
Latest Patents
His latest patents include a groundbreaking **semiconductor light emitting device** which describes a substrate featuring a first surface and a second surface, with lateral surfaces intersecting both. The device incorporates first and second regions on the lateral surfaces, each characterized by distinct widths and roughness properties, arranged alternately to optimize performance. This innovative arrangement culminates in a balance where a major proportion of widths aligns with the distance between the two surfaces, enhancing the overall functionality of the device.
Additionally, he developed a **method of manufacturing a semiconductor light emitting device** using an MOCVD process. This method entails sequentially layering components such as an InGaAlP clad layer and an active layer on a GaAs substrate. By adjusting the flow-rate ratios of source gas during the fabrication of the light scattering layer, the surface is designed to be rougher, which significantly improves light emission efficiency.
Career Highlights
Katsuhiko Nishitani currently works at **Kabushiki Kaisha Toshiba**, a leading corporation in technology and innovation. His work not only exemplifies dedication to advancing semiconductor technology but also reflects the company's commitment to pioneering research and development in the field.
Collaborations
Throughout his career, Nishitani has collaborated with notable colleagues such as Hideki Nozaki and Kazumi Unno. These partnerships have enabled significant advancements in semiconductor technologies, thereby enhancing their collective impact on the industry.
Conclusion
Katsuhiko Nishitani is a noteworthy inventor whose expertise in semiconductor light emitting devices contributes greatly to the field. His innovative approaches and collaborative spirit continue to drive progress in technology, securing his place as a key figure in the realm of electronics and materials science.