This inventor holds 5 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Software Engineering Company, Ltd.. Active years: 2006-2009.
Location History:
- Tokyo, JP (2008)
- Yokohama, JP (2006 - 2009)
Company Filing History:
5 out of 42,726 
2 out of 228 
Years Active: 2006-2009
Title: Osamu Kohama: Innovator in Computer Systems
Introduction
Osamu Kohama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of computer systems, holding a total of 5 patents. His work focuses on improving system performance and managing data input/output requests effectively.
Latest Patents
Kohama's latest patents include a "Computer system for load balance, and method and program for setting path." This invention provides a computer system that includes computers and a storage system coupled to the computers. The storage system features a first load measuring module that measures a first access load for each channel adaptor. Additionally, at least one of the computers includes a path management module that manages paths through which the computers access logical units. This module includes a second load measuring module that measures a second access load imposed by access from the computer to the logical unit. An active path setting module selects one of the channel adaptors based on the measured access loads, thereby balancing the load on the entire system and improving performance while maintaining a cache hit rate of the storage system.
Another significant patent is the "Method and apparatus for managing I/O paths on a storage network using priority." This processing apparatus stores information about attributes identifying specific processes generating data input/output requests. It transmits these requests to the storage apparatus via identified physical paths, ensuring efficient data management.
Career Highlights
Throughout his career, Osamu Kohama has worked with prominent companies such as Hitachi, Ltd. and Hitachi Software Engineering Company, Ltd. His experience in these organizations has allowed him to develop innovative solutions that enhance computer system performance.
Collaborations
Kohama has collaborated with notable individuals in the field, including Hiroshi Morishima and Takahiro Hayashi. These collaborations have contributed to the advancement of technology in computer systems.
Conclusion
Osamu Kohama's contributions to computer systems through his patents and collaborations highlight his role as an influential inventor in the technology sector. His work continues to impact the efficiency and performance of computer systems today.