Assignee
Inventors
- Mituo Kudoh (2 patents)
- Toshihiko Fukushima (38 patents)
- Masaaki Itoh (30 patents)
- Mari Uchida (8 patents)
- Hiroaki Matsushima (21 patents)
- Hiroshi Kogure (23 patents)
- Syoji Takaku (1 patents)
US Patent 5542271 · Granted Aug 6, 1996