Location History:
- Tokyo-To, JP (2001 - 2003)
- Edogawa-ku, JP (2008)
- Yokohama, JP (2006 - 2011)
- Tokyo, JP (1989 - 2013)
Company Filing History:
Years Active: 1989-2013
Title: Innovations by Sumio Ashida: A Pioneer in Information Recording Technology
Introduction
Sumio Ashida, based in Yokohama, Japan, is a prominent inventor with an impressive portfolio of 31 patents. His contributions primarily focus on advanced technologies for information recording and reproducing devices, showcasing his dedication to innovation in this field.
Latest Patents
One of Ashida's latest innovations is an **Information Recording and Reproducing Device**. In this invention, he presents a stacked body that comprises a first layer, a second layer, and a recording layer located between them. This recording layer contains a phase-change material that can reversibly switch between a crystal state and an amorphous state, controlled by current supplied through the layers. Furthermore, it also includes a crystal nucleus that contacts the phase-change material, optimized for improved performance.
Another recent patent is an **Optical Recording System to Record Information with Light**. This multilayer system features a lens unit that employs either a metamaterial lens or a plasmon lens. The metamaterial lens is designed with first microstructures implanted in a regular pattern, whereas the plasmon lens includes an aperture to enhance optical recording capabilities. The microscopic drive unit adjusts the position between the lens unit and the recording medium, ensuring precise data recording.
Career Highlights
Sumio Ashida's career has been significantly shaped by his association with the esteemed Kabushiki Kaisha Toshiba. His innovative work in the realm of optical and information recording technologies demonstrates his expertise and commitment to enhancing data storage solutions. His patents not only reflect his creativity but also his ability to respond to the evolving needs of the technology market.
Collaborations
Throughout his career, Sumio Ashida has collaborated with notable colleagues, including Keiichiro Yusu and Naomasa Nakamura. These partnerships have likely contributed to the success of his inventions, fostering an environment of shared ideas and collaborative innovation.
Conclusion
Sumio Ashida stands out as a key figure in the field of information technology with his inventive solutions and extensive patent portfolio. His ongoing work promises to influence the future of data recording technologies, underscoring the importance of innovation in this rapidly advancing sector.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.