Patent アンテナ装置 丸山珠美, 上原一浩, 鹿子嶋憲一 Application no. 特願平07-205139 Date applied Jul 20, 1995 Announcement no. 特開平09-36654 Date announced Feb 7, 1997 Patent/Registration no. 特許3261606 Date registered Dec 21, 2001 Date issued