The games in Japan saw the introduction of wheelchair racing - although only in the normal day-to-day chairs rather than the space age machines used by the Paralympians of today.

BBC: History of the Paralympics

"Prime Minister Singh noted Japan's interest in supporting the introduction of high-speed railway system in India, " the joint statement noted, adding that he "appreciated Japan's high level of expertise in designing and implementing" shinkansen systems.

WSJ: Japan, India to Restart Nuclear-Energy Talks

The eight chapters in the free version included an introduction to hiragana, chapters on greetings and a cultural interlude on the geography of Japan.

WSJ: Mobile Apps for Foreign Languages

It also has plans to add an early-warning radar system in western Japan, while South Korea has pledged to speed up the introduction of its own missile defense systems.

WSJ: North Korea Moves Missile to Its East Coast

Additionally, Softbank, who launched their TDD-LTE network in Japan in February 2012, broke new ground with their recent introduction of six TDD-LTE smartphones that also support the 2.5GHz band.

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