Assignee
Inventors
- Junichi Araki (10 patents)
- Masayuki Tamura (63 patents)
- Takahiro Naka (75 patents)
- Nobuhiro Saito (39 patents)
- Hiroshi Kitagawa (110 patents)
- Takeyoshi Usui (1 patents)
- Shigeru Sato (148 patents)
US Patent 5391627 · Granted Feb 21, 1995