Introduction: Hiroshi Fukutomi, an accomplished inventor based in Urawa, Japan, holds an impressive portfolio of six patents. With a focus on enhancing productivity and efficiency in the bonding of disc substrates, Fukutomi's innovations have significantly impacted the field of optical data storage.

Latest Patents: One of Fukutomi's latest inventions is a unique disc bonding method. This method involves bonding two disc substrates together, where at least one substrate features a UV transmissive-visible light reflective information recording layer on a UV transmissive base. The innovation employs ultraviolet (UV) irradiation to cure a UV curable composition acting as a bonding agent. Remarkably, the process utilizes single or repeating flashes of UV light to avoid damaging the information recording layer, allowing for a quicker curing time and reduced energy consumption compared to traditional methods using continuous UV irradiation. As a result, this method improves productivity by increasing the number of bondings achieved in a given timeframe.

Career Highlights: Hiroshi Fukutomi is associated with Dainippon Ink and Chemicals, Incorporated, where his work revolves around advanced bonding techniques for optical media. His contributions have not only advanced the technology but have also positioned the company as a leader in the field of chemical solutions for data storage products.

Collaborations: Throughout his career, Fukutomi has collaborated with notable colleagues such as Isao Tabayashi and Hiroshi Harada. Their collaborative efforts have fostered innovation and the successful development of new technologies related to disc bonding and optical data storage.

Conclusion: Hiroshi Fukutomi stands out as a significant figure in the realm of innovations related to disc bonding technology. His latest patents reflect a commitment to enhancing efficiency and productivity in the field, ensuring that his contributions will leave a lasting impact on the industry.

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