Assignee
Inventors
- Shigeo Nishikawa (22 patents)
- Eiichi Sugihara (7 patents)
- Masahiro Takedachi (2 patents)
- Kaoru Yorita (6 patents)
- Haruo Inoue (59 patents)
- Yoko Shimada (5 patents)
- Michio Eriguchi (12 patents)
US Patent 6328916 · Granted Dec 11, 2001