Assignee
Inventors
- Yuji Hatada (14 patents)
- Akinori Ogawa (2 patents)
- Yasushi Kageyama (7 patents)
- Tsuyoshi Sato (11 patents)
- Hiroyuki Araki (11 patents)
- Nobuyuki Sumitomo (9 patents)
- Mitsuyoshi Okuda (16 patents)
- Katsuhisa Saeki (15 patents)
US Patent 7371839 · Granted May 13, 2008