The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, fiber tip pens, invented by a Japanese stationery firm in 1963. These water-based pens improved on the firm's oil-based pens, whose ink feathered and bled. Thanks to early user Lyndon Johnson, 36th President of the United States, they became a hit. Some 2.2 billion have been produced and sold in over 100 countries and regions. This time, the little-known story behind fiber tip pens.

The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, the food you can eat anytime, anywhere, with no need for bowls or plates: Cup ramen. Invented by Momofuku Ando in an attempt to spread his instant ramen worldwide, Cup ramen has been sold in over 80 countries and regions to date. And an incredible 40 billion cups have been sold! This time, slurp up the secrets behind this hit cup-based Japanese invention.