Japan is an Asian country which is under the Asia Pacific region and a neighbor of P.R. China, North and South Korea and Russia. The word Japan refers to sun origin, therefore, this country is known as "Land of the Rising Sun". Geographically, the whole country consists of four major islands, they are, Honshu, Hokkaido, Kyushu and Shikoku. Altogether the country is having 6,852 islands. The country is having a chain of islands with numerous composite volcanos. Politically Japan is part of the UN along with other alliances such as G7, G8, and the G20.
Even after the huge suffering of atomic bombing the country has proved its excellence in all arenas of research and development. According to world nominal GDP computation Japan is having third-largest economy, and fourth in the world as per power purchasing parity. Technological advances enabled Japan to lead the world. The country is pioneer in advanced research in electronics, machinery, biomedical devices, computer science, robotics and medical sciences.
In Physics, Medicine and Chemistry, this island nation produced 21 Nobel laureates so far. Japan has established infrastructure for advanced medical research. Japan Agency for Medical Research and Development monitors the funding and integration of the R & D related to medical sciences in the country. The Institute of Medical Science in Tokyo is the leading Institution in medical research in Japan. According to the report by Rehman et al., 2002, Japan is ranked number 2 preceded by U.S.A in publishing highest number of articles in nuclear medicine. Several leading Institution in the country including University of Tokyo, Japan Science and Technology Agency (JST), Kyoto University, Osaka University, RIKEN, Tokyo Institute of Technology and others are spearheading the medical research.