Assignee
Inventors
- Kuniaki Nakashima (2 patents)
- Hiroshi Doi (48 patents)
- Yasuhiro Maeda (71 patents)
- Hirohide Aoki (5 patents)
- Hiroyuki Hama (59 patents)
- Naoyuki Kajita (2 patents)
- Yoshikatsu Honda (1 patents)
US Patent 6661234 · Granted Dec 9, 2003