Location History:
- Tokyo, JP (2006)
- Kanagawa, JP (2004 - 2007)
Company Filing History:
Years Active: 2004-2007
Title: Teiichiro Nishizaka: Innovator in Semiconductor Technology
Introduction
Teiichiro Nishizaka is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His work focuses on enhancing memory devices, particularly in non-volatile storage solutions.
Latest Patents
Nishizaka's latest patents include a two-bit cell semiconductor memory device. This innovative device features a 2-bit cell composed of first and second diffusion regions on a substrate surface, along with first and second storage nodes adjacent to these regions. The design incorporates first and second gate electrodes connected to form word line electrodes, and a control gate electrode positioned at right angles to these lines. This configuration allows for efficient reading of a storage node without interference from other nodes.
Another notable patent is for a non-volatile storage device and its rewrite control method. This device, such as flash memory, includes multiple sectors, each with a physical sector number. The method allows for the assignment of logical sector numbers to sectors, enabling efficient data writing and erasing processes. By selecting additional sectors for new data while erasing the previous ones, the apparent erase time is significantly reduced.
Career Highlights
Teiichiro Nishizaka is currently employed at NEC Electronics Corporation, where he continues to innovate in semiconductor technology. His work has been instrumental in advancing memory device capabilities, making them more efficient and reliable.
Collaborations
Throughout his career, Nishizaka has collaborated with notable colleagues, including Toshikatsu Jinbo and Takaki Kohno. These partnerships have contributed to the development of cutting-edge technologies in the semiconductor field.
Conclusion
Teiichiro Nishizaka's contributions to semiconductor technology, particularly in memory devices, have established him as a key figure in the industry. His innovative patents reflect a commitment to enhancing data storage solutions, making a lasting impact on technology.