Location History:
- Fujisawa, JP (2003 - 2005)
- Kanagawa, JP (2008 - 2010)
Company Filing History:
4 out of 2,636 
1 out of 164,108 
Years Active: 2003-2010
Title: Kaoru Umemura: Innovator in Magnetic Disk Drive Technology
Introduction
Kaoru Umemura is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of magnetic disk drive technology, holding a total of 5 patents. His work focuses on improving data integrity and manufacturing processes in magnetic storage devices.
Latest Patents
One of Umemura's latest patents is titled "Alternate cylinder table to improve adjacent track interference problem." This invention addresses the issue of data loss caused by frequent writing onto adjacent data tracks. By creating an alternate zone composed of multiple adjacent data tracks, the invention ensures that data updated frequently and data that is not updated too frequently are recorded in separate tracks, thus preventing data loss due to leakage fluxes.
Another significant patent is the "Manufacturing method for magnetic disk drive." This invention outlines a simplified process for detecting and processing defective sectors that cause reading errors at low operating environmental temperatures. The method involves read/write testing at higher temperatures to identify defective sectors, allowing for more efficient manufacturing and quality control.
Career Highlights
Throughout his career, Umemura has worked with prominent companies in the technology sector. He has been associated with Hitachi Global Storage Technologies and IBM, where he contributed to advancements in magnetic storage technologies. His experience in these organizations has played a crucial role in shaping his innovative ideas.
Collaborations
Umemura has collaborated with notable professionals in his field, including Hiroaki Suzuki and Akira Shibata. These collaborations have further enriched his work and contributed to the development of cutting-edge technologies in magnetic disk drives.
Conclusion
Kaoru Umemura's contributions to magnetic disk drive technology demonstrate his innovative spirit and commitment to improving data storage solutions. His patents reflect a deep understanding of the challenges in the industry and offer practical solutions to enhance performance and reliability.
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.