Hiroshi Katayanagi

Title: Hiroshi Katayanagi: Innovator in Liquid Crystal Display Technology

Introduction

Hiroshi Katayanagi is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 12 patents. His work has been instrumental in advancing the capabilities and performance of display devices.

Latest Patents

One of Hiroshi Katayanagi's latest patents is a liquid crystal display device designed to reduce the influences of offset voltages. This invention includes a semiconductor integrated circuit that features a first register for latching display data, a second register that latches the display data of the first register in accordance with a first clock, and a gray scale voltage generator that outputs multiple gray scale voltages. Additionally, it incorporates a decoder that selects a gray scale voltage based on the display data from the second register and an amplifier with two transistors. The design ensures that the gray scale voltage outputted from the decoder is supplied to the input terminals of the transistors according to a control signal, with the phase of the control signal being reversed at intervals of two horizontal scanning lines.

Career Highlights

Hiroshi Katayanagi has worked with notable companies, including Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in display technology.

Collaborations

Throughout his career, Hiroshi has collaborated with talented individuals such as Mitsuru Goto and Yukihide Ode. These partnerships have fostered a creative environment that has led to significant advancements in their field.

Conclusion

Hiroshi Katayanagi's contributions to liquid crystal display technology and his impressive portfolio of patents highlight his role as a key innovator in the industry. His work continues to influence the development of advanced display systems.