Location History:
- Shinagawa, JP (1988)
- Chiba, JP (1986 - 2008)
Company Filing History:
Years Active: 1986-2008
Areas of Expertise:
Title: The Innovative Contributions of Kiyoshi Ohsato
Introduction: Kiyoshi Ohsato is a renowned inventor based in Chiba, Japan, known for his remarkable innovations in optical disc technology. With a total of 44 patents to his name, Ohsato has significantly contributed to advancements in data recording and reproduction methods, particularly for optical discs.
Latest Patents: Ohsato's latest patents include an "Optical disc recording/reproduction apparatus and method" and an "Optical head and recording/reproducing device". The former patent describes an innovative apparatus designed to record and reproduce data by utilizing a beam from an optical head unit, enabling highly efficient interaction with recording layers of optical discs. This device features an objective lens that converges an incoming beam, along with an actuator for precise control of focusing. Specifically, the optical head unit enhances capabilities by achieving a total numerical aperture of 0.8 or above, showcasing Ohsato's commitment to enhancing optical precision. His second patent focuses on an optical head that includes an objective lens with a large numerical aperture of 0.8 or more, designed to address various aberration corrections. The incorporation of a bespoke aberration-correcting lens group allows for superior performance, particularly when dealing with different wavelengths of light.
Career Highlights: Throughout his career, Kiyoshi Ohsato has been a vital part of Sony Corporation, where he has honed his skills in optical technology. His innovative spirit has allowed him to remain at the forefront of advancements in the field, contributing to the evolution of optical media technologies that have benefited a wide range of applications.
Collaborations: Ohsato has collaborated with esteemed colleagues including Isao Ichimura and Toshio Watanabe. Together, they have worked on numerous projects that underline their shared commitment to technological innovation and excellence within the optical technology sector.
Conclusion: Kiyoshi Ohsato's contributions to optical disc technology underscore his importance as an inventor. His patents not only demonstrate his ingenuity but also highlight his role in shaping the future of data recording and reproduction methods. As a pivotal member of Sony Corporation, Ohsato continues to inspire innovation in the industry, paving the way for future advancements.