Japan’s Optical Fiber Patent Grip on ASEAN’s Digital Infrastructure Build
Furukawa Electric and Sumitomo Electric hold an estimated 30–35% of the foundational fiber optic patents cited in ASEAN’s current submarine and terrestrial infrastructure projects. For procurement teams in Kuala Lumpur, Jakarta, and Ho Chi Minh City, the licensing exposure is embedded in every infrastructure contract touching Japanese-origin fiber — and most buyers have no visibility into it.