Assignee
Inventors
- Tetsuo Nagano (52 patents)
- Kazuya Kikuchi (35 patents)
- Masaaki Hirobe (1 patents)
- Hiroshi Hayakawa (73 patents)
- Yasunobu Hirata (1 patents)
- Tsuneaki Sugimoto (1 patents)
- Sakae Higashidate (2 patents)
US Patent 5424216 · Granted Jun 13, 1995