Tatsuichiro Nagai Isao Nagasawa Masanobu Umeda Tatsuji Higuchi Yasuyuki Nishidai Yusuke Kitagawa Tsuyoshi Tsurusaki Masahito Ohhashi Osamu Takata A Design Product Model for Mechanism Parts by Injection Molding. 148-160 2005 conf/inap/2005 INAP http://dx.doi.org/10.1007/11963578_12 db/conf/inap/inap2005.html#NagaiNUHNKTOT05