Assignee
Inventors
- Toshikazu Konno (12 patents)
- Hiroshi Ozaki (85 patents)
- Kiyoshi Urayama (16 patents)
- Takashi Ota (115 patents)
- Seiji Nihei (1 patents)
- Taizo Fukuda (5 patents)
- Takayasu Hirano (4 patents)
- Osamu Koizumi (89 patents)
US Patent 5860523 · Granted Jan 19, 1999