Nobel Prize-winning scientist Tasuku Honjo voiced hope on Tuesday that Japan would invest more in science, a day after he was chosen for this year's award in physiology or medicine along with American James Allison for their studies on cancer therapy.

"I was able to prove that it is not rare for fundamental research to lead to applications," Honjo, 76, said at a news conference held at Kyoto University, where he is currently a professor. "Science is an investment for the future."

News that Honjo became the 26th Japanese Nobel Prize winner was met with a shower of praise from cancer patient groups and the Japanese government on Monday.