This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1993-2002.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1993-2002
Title: Yoji Ishii: Innovator in Information Recording Technology
Introduction
Yoji Ishii is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of information recording technology, holding a total of 2 patents. His work primarily focuses on devices that enhance the efficiency and stability of information recording and reproduction.
Latest Patents
Ishii's latest patents include an information recording or information recording/reproducing device. This device utilizes an upright disk-like recording medium contained in a cartridge. It features a stable movement of the objective lens in the tracking direction, minimizing undesirable displacement. The design ensures that the entire optical head portion, including the objective lens, remains stable during operation. Another significant patent is for an optical pickup device for recordable discs, which employs a dichroic mirror to synthesize laser light beams from two different sources. This innovation allows for effective separation of reflected light, optimizing signal detection while maintaining high wavelength separation characteristics.
Career Highlights
Yoji Ishii is currently associated with Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to push the boundaries of information recording technology, contributing to advancements that benefit various applications in the field.
Collaborations
Throughout his career, Ishii has collaborated with esteemed colleagues such as Teruaki Higashihara and Kiyoshi Ohsato. These collaborations have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies.
Conclusion
Yoji Ishii's contributions to information recording technology exemplify his dedication to innovation. His patents reflect a commitment to enhancing the efficiency and reliability of recording devices. Through his work at Sony Corporation and collaborations with fellow inventors, Ishii continues to influence the field significantly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile