http://news.goo.ne.jp/article/jiji/business/jiji-081213X110.html?fr=rk

http://www.bk1.jp/books/contents/sales/0812/m2009otoko

http://www.ringolab.com/note/daiya/2008/12/post-886.html

http://news.www.infoseek.co.jp/comp/story/20081212jcast2008232166/

http://news.goo.ne.jp/article/diamond/politics/2008121202-diamond.html?fr=rk

http://gigazine.net/index.php?/news/comments/20081209_heaviest_potato/

知的財産法講義 ３ 第２版 http://www.yuhikaku.co.jp/books/detail/9784641143951

http://www.moj.go.jp/MINJI/minji163.html

http://headlines.yahoo.co.jp/hl?a=20081214-00000071-san-soci

http://www.news24.jp/125021.html

http://blog.goo.ne.jp/j-j-n/e/793a6e5d76cbf4913af68c5abc56c123