Assignee
Inventors
- Tetsuo Ueyama (24 patents)
- Keiji Sakai (48 patents)
- Yukio Kurata (68 patents)
- Katsushige Masui (11 patents)
- Naotaka Otsuka (3 patents)
- Renzaburo Miki (8 patents)
- Hiroshige Hirajima (6 patents)
- Noboru Fujita (13 patents)
US Patent 7106682 · Granted Sep 12, 2006