Location History:
- Atsugi, JP (1984)
- Kanagawa, JP (1986 - 2013)
Company Filing History:
Years Active: 1984-2013
Title: Nobuhiko Tsukahara: Innovator in Disc Cartridge Technology
Introduction
Nobuhiko Tsukahara is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of disc cartridge technology, holding a total of 17 patents. His innovative designs have paved the way for advancements in how disc cartridges operate.
Latest Patents
One of Tsukahara's latest patents is a cartridge drive apparatus for a disc cartridge that holds a disc. This apparatus features upper and lower shells that are separably joined to form a cartridge body. It allows for the insertion or ejection of an accommodated disc by vertically separating the upper and lower shells. The cartridge drive apparatus includes a cartridge holder that supports both the upper and lower shells, along with a holder moving mechanism that facilitates the separation of the shells for disc access.
Another notable patent is the design of a disc cartridge itself. This cartridge comprises upper and lower shells that create a cartridge body. The lower shell includes a first-rectangular plate and disc holders that form the side walls, while the upper shell features a second-rectangular plate with standing wall members. The design allows for an opening for disc insertion and ejection, ensuring that the cartridge can be securely closed when the shells are combined.
Career Highlights
Nobuhiko Tsukahara has spent a significant portion of his career at Sony Corporation, where he has been instrumental in developing innovative technologies related to disc cartridges. His work has not only enhanced the functionality of these devices but has also contributed to the overall advancement of media technology.
Collaborations
Throughout his career, Tsukahara has collaborated with notable colleagues, including Sunao Aoki and Toshiharu Okanishi. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Nobuhiko Tsukahara's contributions to disc cartridge technology are noteworthy and have had a lasting impact on the industry. His innovative patents and collaborative efforts continue to influence advancements in media technology.