Assignee
Inventors
- Taketoshi Hibi (24 patents)
- Kenji Maeno (5 patents)
- Kihei Ido (10 patents)
- Ken Onishi (81 patents)
- Shinobu Ueda (5 patents)
- Akiyoshi Hirano (7 patents)
- Keiji Hatanaka (21 patents)
- Takashi Shiroshita (2 patents)
US Patent 5546191 · Granted Aug 13, 1996