Assignee
Inventors
- Hiroshi Matsuo (51 patents)
- Masao Yamaguchi (169 patents)
- Masahiro Ezato (3 patents)
- Naoki Higashi (1 patents)
- Kei Kondo (12 patents)
- Shinichi Komori (10 patents)
- Yumi Harada (1 patents)
- Yoshifumi Hatano (1 patents)
US Patent 6515757 · Granted Feb 4, 2003