In addition, some patents may not be found when the inventor name written in Japanese is specified with the first name and the surname concatenated (for example "東工大太郎") due to the way of registration. On specifying inventor name in Japanese, it is recommended to input the first name and the surname with a space between them (for example "東工大太郎", not "東工大 太郎") so that m ore results may be found.