Location History:
- Yokohama, JP (1995)
- Kanagawa-ken, JP (2012)
Company Filing History:
Years Active: 1995-2012
Title: Taku Katayama: Innovator in Liquid Crystal Display Technology
Introduction
Taku Katayama is a notable inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of display technology, particularly in liquid crystal displays and light-emitting diodes. With a total of 2 patents, his work has had a lasting impact on the industry.
Latest Patents
Katayama's latest patents include a liquid crystal display apparatus and a driving circuit and driving method thereof. The liquid crystal display apparatus consists of multiple pixels, switches, and a driver circuit designed to operate these switches. Each pixel contains a liquid crystal element, which is sandwiched between a pixel driving electrode and a common electrode. The apparatus features a first and second sampling and holding circuit, along with a switching device that alternates between positive and negative image signal voltages to the pixel driving electrode.
Another significant patent is for a light-emitting diode (LED) array, which comprises several light-emitting diodes aligned in rows on a substrate crystal. Each LED features a double hetero-structure with a light-emitting layer situated between p-type and n-type semi-conductive layers. The design includes a reflecting layer made of semi-conductive materials with varying refractive indexes, enhancing the LED's performance and output.
Career Highlights
Throughout his career, Taku Katayama has worked with prominent companies such as Victor Company of Japan, Limited and JVC Kenwood Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the display and lighting sectors.
Collaborations
Katayama has collaborated with notable individuals in the field, including Yoshihisa Koyama and Katsuhiko Morita. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Taku Katayama's contributions to liquid crystal display technology and LED arrays highlight his role as a significant inventor in the field. His patents reflect a commitment to advancing display technology, making him a key figure in the industry.