Company Filing History:
Years Active: 2013
Title: Hirofumi Yumoto: Innovator in Optical Technology
Introduction: Hirofumi Yumoto is an accomplished inventor based in Tokyo-to, Japan. With a focus on optical technology, he has made significant contributions to the field, particularly in the development of devices that enhance image display. His innovative work at Dai Nippon Printing Co., Ltd. showcases his dedication to advancing technology through his inventions.
Latest Patents: Hirofumi Yumoto holds one patent titled "Optical rotation plate and liquid crystal display device using the same." The invention aims to provide a rotating plate that generates minimal variation in the rotation angle of linear polarization, making it easier to achieve a desired rotation angle. Additionally, the liquid crystal display device developed from this patent enables bright image observation even when viewed through polarizing glasses. The optical rotation plate consists of a transparent substrate and an optical rotation layer featuring a rod-shaped compound to create a cholesteric structure with a twist angle of 90 degrees or more and a pitch ranging from 450 nm to 4,000 nm.
Career Highlights: Yumoto's career is marked by his innovative contributions at Dai Nippon Printing Co., Ltd. His background in optical engineering has allowed him to design groundbreaking technology that improves the functionality of liquid crystal displays, positioning him as a key player in the industry. His work is essential in addressing common obstacles in image clarity and visibility.
Collaborations: Throughout his career, Hirofumi Yumoto has collaborated with talented professionals like Satoru Hamada and Keiji Kashima. These partnerships have enabled him to share ideas and drive forward impactful projects that emphasize innovation and technical excellence in optical devices.
Conclusion: As an inventor, Hirofumi Yumoto exemplifies the spirit of innovation and creativity in the field of optical technology. His patent on the optical rotation plate demonstrates a commitment to improving image quality and accessibility in liquid crystal displays. With his ongoing work at Dai Nippon Printing Co., Ltd. and collaboration with skilled colleagues, Yumoto continues to contribute to advancements that push the boundaries of technological excellence in the industry.