Assignee
Inventors
- Junichi Murayama (7 patents)
- Niichi Toyama (9 patents)
- Kazuhide Matsuo (14 patents)
- Hideki Takashima (2 patents)
- Katsushi Sadamitsu (2 patents)
- Kiichi Sugino (1 patents)
- Kazuto Iiyama (2 patents)
US Patent 5645895 · Granted Jul 8, 1997