Location History:
- Hachioji, JA (1977)
- Kokubunji, JP (1985 - 2007)
Company Filing History:
14 out of 42,485 
4 out of 1,112 
1 out of 227 
Years Active: 1977-2007
Title: Innovator Spotlight: Yasutaro Uesaka
Introduction: Yasutaro Uesaka, a prolific inventor based in Kokubunji, Japan, has made significant contributions to the field of magnetic recording technologies. With an impressive portfolio of 15 patents, Uesaka's innovative work has notably advanced the capabilities of magnetic recording mediums and apparatus.
Latest Patents: Among his latest patents is a groundbreaking "Magnetic Recording Medium and Magnetic Recording and Reproducing Apparatus." This invention features a magnetic recording medium with a unique composition, including a substrate, under-layer, magnetic layer (comprising Co, Cr, and Pt), and a protective layer. The magnetic layer's specific characteristics, such as thickness and coercivity values, set it apart in the industry. Additionally, Uesaka's creation of a "Magnetic Recording Medium Possessing a Fluctuation Field of Not Less Than 30 Oe" showcases his expertise in developing ferromagnetic thin films for optimal noise reduction and signal-to-noise performance.
Career Highlights: Uesaka has garnered experience and expertise through his tenure at renowned companies such as Hitachi, Ltd. and Hitachi Maxell, Limited. His time at these industry-leading firms has undoubtedly shaped his innovative approach and pushed the boundaries of magnetic recording technology.
Collaborations: Throughout his career, Uesaka has collaborated with esteemed professionals in the field, including Masaaki Futamoto and Hideo Fujiwara. These collaborations have not only enriched his work but have also paved the way for new developments and advancements in magnetic recording technologies.
Conclusion: In conclusion, Yasutaro Uesaka stands as a pioneering inventor in the realm of magnetic recording mediums and apparatus. His groundbreaking patents and collaborative efforts underscore his commitment to innovation and excellence in the industry. Uesaka's contributions continue to shape the landscape of magnetic recording technologies, making him a standout figure in the field.
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.