Company Filing History:
Years Active: 1982-1990
Title: Hisayoshi Shiraishi: Innovator in Liquid Crystal Technology
Introduction
Hisayoshi Shiraishi is a prominent inventor based in Katsuta, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 5 patents. His innovative work has paved the way for advancements in projection display systems.
Latest Patents
His latest patents include a groundbreaking liquid crystal projection display technology. This technology utilizes a laser beam to write on the liquid crystal. The laser beam, generated by a laser source, is applied through an optical control unit, such as galvanometer mirrors, to the liquid crystal. The intensity of the laser beam is controlled by a laser beam intensity varying unit. A writing control unit manages the mechanical displacement caused by the optical axis control unit and regulates the laser beam intensity varying unit. This innovation ensures that the laser beam energy applied to the liquid crystal remains constant, allowing for a consistent written line width even during the acceleration and deceleration of the optical axis control unit.
Career Highlights
Hisayoshi Shiraishi is associated with Hitachi, Ltd., where he has contributed to various projects and innovations. His work has been instrumental in enhancing the capabilities of liquid crystal displays, making them more efficient and reliable.
Collaborations
Some of his notable coworkers include Noboru Azusawa and Tadahiko Hashimoto. Their collaborative efforts have further advanced the research and development of liquid crystal technologies.
Conclusion
Hisayoshi Shiraishi's contributions to liquid crystal technology exemplify the spirit of innovation. His patents and work at Hitachi, Ltd. continue to influence the industry and inspire future advancements in display technologies.