Company Filing History:
Years Active: 1998-2000
Title: Hisao Kitai: Innovator in Liquid Crystal Technology
Introduction
Hisao Kitai is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 3 patents. His work primarily focuses on enhancing the performance and durability of liquid crystal display devices and projectors.
Latest Patents
One of Hisao Kitai's latest patents is for a projection LCD that features a sheet polarizer with protective layers on both sides. This innovative design includes a pre-sheet polarizer and an incoming light side sheet polarizer positioned on the incoming light side of a liquid crystal panel. The configuration allows for improved durability of the sheet polarizer and increased light output by ensuring that both sheet polarizers effectively share the quantity of absorbed light.
Another notable patent involves a liquid crystal display device and projector designed to suppress the reduction of liquid crystal properties due to heat and light. This invention utilizes light-shielding substrates that are in absolute contact with the drive substrate and the opposed substrate. The light-shielding films, made of conductive materials like aluminum, not only provide excellent light-shielding properties but also serve to electrically shield the liquid crystal display device.
Career Highlights
Hisao Kitai is currently associated with Sony Corporation, where he continues to innovate in the field of liquid crystal technology. His work has significantly impacted the development of high-performance display devices.
Collaborations
Throughout his career, Kitai has collaborated with notable colleagues, including Tetsuro Ochi and Mikiya Kobayashi. Their combined expertise has contributed to advancements in liquid crystal technology.
Conclusion
Hisao Kitai's contributions to liquid crystal technology through his innovative patents have made a lasting impact on the industry. His work continues to influence the development of advanced display technologies.