Location History:
- Hirakata, JP (1984)
- Osaka, JP (1990 - 2011)
Company Filing History:
5 out of 27,375 
1 out of 21 Years Active: 1984-2011
**Title: The Inventor Spotlight: Susumu Sanai**
Introduction:
Susumu Sanai, a prolific inventor hailing from Osaka, Japan, has made significant contributions to the field of optical information-recording media. With a total of 6 patents to his name, Sanai's innovative work has paved the way for advancements in the recording, reproducing, erasing, and rewriting of information using laser technology.
Latest Patents:
Sanai's latest patents revolve around a groundbreaking invention - the reversible optical information-recording medium of the phase-change type. This cutting-edge technology involves a recording thin film of ternary elements, such as Ge, Te, Sb, and Bi, or quaternary elements containing Se. By carefully selecting the component ratios and compositions, Sanai has achieved high crystallization speed and enhanced cyclability for recording and erasing data. The incorporation of Se in the composition has optimized the characteristics of the recording film, making it superior in both amorphization and crystallization processes.
Career Highlights:
Throughout his illustrious career, Susumu Sanai has showcased his ingenuity and expertise in companies such as Matsushita Electric Industrial Co., Ltd., and Matsushita Electronic Industrial Co., Ltd. His dedication to innovation and his relentless pursuit of excellence have positioned him as a pioneering figure in the realm of optical information technology.
Collaborations:
During his tenure, Sanai had the privilege of collaborating with esteemed colleagues like Noboru Yamada and Kunio Kimura. Together, they have synergized their talents and knowledge to push the boundaries of what is possible in the field of optical information-recording media.
Conclusion:
In conclusion, Susumu Sanai's remarkable inventions have not only revolutionized the way we record and manipulate data but have also set a new standard for innovation in optical technology. His contributions have undoubtedly shaped the landscape of information storage and retrieval, solidifying his legacy as a visionary inventor in the industry.