Location History:
- Odawara, JP (2005)
- Fujisawa, JP (2007)
- Kanagawa, JP (2005 - 2012)
Company Filing History:
4 out of 2,636 
3 out of 227 
Years Active: 2005-2012
Title: Nobuhiro Kuwamura: Innovator in Data Storage Technologies
Introduction
Nobuhiro Kuwamura is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of data storage technologies, holding a total of 7 patents. His innovative methods have advanced the efficiency and reliability of disk drives.
Latest Patents
Kuwamura's latest patents include a method for setting zone format of a disk for storing data. This method involves dividing a data area on a disk into multiple concentric zones and determining a format for each zone to ensure that data tracks have the same number of data sectors. The process includes establishing provisional boundaries for the zones, determining linear recording density, and selecting the number of data sectors per track. Additionally, he has developed a disk drive device and a data rewrite method that reduces the occurrence of read hard errors in hard disk drives (HDD). This method rewrites data on all data tracks of a block when a specified number of write operations occurs, enhancing the overall performance of the HDD.
Career Highlights
Kuwamura has worked with notable companies such as Hitachi Global Storage Technologies Netherlands B.V. and Hitachi Global Storage Technologies Japan, Ltd. His experience in these organizations has allowed him to refine his expertise in data storage solutions.
Collaborations
Throughout his career, Kuwamura has collaborated with talented individuals, including Toshihiko Tsunokawa and Takao Matsui. These partnerships have contributed to the development of innovative technologies in the field.
Conclusion
Nobuhiro Kuwamura's contributions to data storage technologies have made a lasting impact on the industry. His inventive methods and collaborative efforts continue to shape the future of disk drive technology.