Assignee
Inventors
- Yutaka Yamauchi (27 patents)
- Seiji Sakamoto (26 patents)
- Katsutoshi Igawa (5 patents)
- Shizuki Kasaoka (3 patents)
- Toshiro Sawada (2 patents)
- Koichi Shinohara (28 patents)
- Yuji Tsukihara (3 patents)
- Shinjiro Baba (3 patents)
US Patent 6830660 · Granted Dec 14, 2004