Assignee
Inventors
- Yoshinori Ojima (16 patents)
- Kozo Matake (14 patents)
- Genichi Sato (34 patents)
- Yasushi Hisabe (9 patents)
- Masami Nagayama (8 patents)
- Katsuaki Usui (14 patents)
- Hiroaki Ogamino (12 patents)
US Patent 6761542 · Granted Jul 13, 2004