Assignee
Inventors
- Yoshio Sano (35 patents)
- Osamu Yamanaka (25 patents)
- Yasumasa Tatewaki (9 patents)
- Minoru Shibata (51 patents)
- Katuhiro Katagiri (3 patents)
- Kazumichi Shigeno (8 patents)
- Hiroshi Suyama (35 patents)
US Patent 6419306 · Granted Jul 16, 2002