He is considered a leading mind in creative concept development, strategy-building and decision management in the United States and Japan.
[1] Hamaguchi started his business career with Panasonic Corporation (former Matsushita Electric Works, Ltd.) in Japan.
IBM first marketed the drives in North America in 2000, with its product the "DiskOnKey" (manufactured by the Israeli company M-Systems).
In 2002, he helped the start-up of MDRM, an Israeli company developing technology for digital rights management through flash memory cards.
[5][6] Hamaguchi has developed his own theory and methodology (Model Based Approach) for creative concept and strategy building through his experiences in various industries, businesses and technologies.