1. Aibo - the robotic pet invented by Sony. 2. Cultured pearls - invented by the Japanese man Mikimoto in 1900s. 3. Dry Cell Battery - invented by Mr. Senzou YAI, in 1885 4. The SW1C antenna - Japanese physicist 5. Ion Exchange Unit - The medical scientist, Dr Noboru Horiguchi , invented the world's first Ion Exchange Unit in 1990, which generates negative-ions equivalent to nature. 6. Soluble 'instant' coffee - invented by Japanese American chemist Satori Kato in 1906 7. The first pocket television - invented by Japanese firm Matsushita 8. Raku is a glazing technique - invented by Japanese potters in the 16th century 9. The floppy disk - by Dr. Yoshiro Nakamatsu. He holds more than 2,300 patents. Among his many inventions are the compact disc, the compact disc player, the digital watch, a unique golf putter, and a water-powered engine. toothbrush with a built-in video camera - Japanese scientists 以下略