PatentFuel cell(등록) Jun Sasahara, Daniel Braithwaite, Suk-Won Cha, Tibor Fabian, Tadahiro Kubota, Nariaki Kuriyama, Sang0Joon John Lee, Ryan O’Hayre, Friedrich B. Prinz, Yuji Saito, Toshifumi Suzuki 2010년 3월 2일US 2008/0124588