Location History:
- Atsugi, JP (1990 - 1996)
- Okayama, JP (1998)
Company Filing History:
2 out of 2,352 
2 out of 38 
1 out of 499 Years Active: 1990-1998
Introduction
Hidemi Yoshida is an acclaimed inventor based in Atsugi, Japan, known for his significant contributions to the field of optical storage technology. Holding a total of five patents, Yoshida's work has advanced the capabilities of optical disks, optimizing their storage capacity and reliability.
Latest Patents
Yoshida's most recent inventions include an innovative optical disk with a large storage capacity and a cutting-edge optical tape. The optical disk features a magneto-optical design that utilizes a recording film on a substrate to define a data area. This area is divided into several zones in the radial direction, with an increasing number of sectors per physical track as it moves towards the disk's outer edge. Notably, the shortest mark length in specified zones near the inner and outer edges is longer than in other zones, enhancing the reliability of recording and reproducing characteristics that might otherwise be compromised.
Additionally, his optical tape invention includes a substrate with a center line average roughness ranging from 0.005 to 0.5 μm and a tensile strength of at least 8 kg/mm² in the longitudinal direction. The optical recording layer is formed on the opposite side of the substrate, ensuring high performance and durability.
Career Highlights
Yoshida has garnered extensive experience at various esteemed companies throughout his career, including Mitsubishi Chemical Corporation and Diafoil Hoechst Company, Limited. His tenure at these organizations has been marked by innovative breakthroughs in optical storage technologies.
Collaborations
Throughout his career, Yoshida has collaborated with notable colleagues such as Chiga Ueda and Kenichi Uchino. These partnerships have played a critical role in driving advancements in optical recording technologies and have contributed to the successful development of his patented inventions.
Conclusion
Hidemi Yoshida stands as a pioneering inventor whose work continues to shape the future of optical storage solutions. With a total of five patents to his name, his latest innovations highlight both the complexity and the potential of modern data storage technology, underscoring the importance of continued research and development in this field.