Assignee
Inventors
- Norio Chaya (4 patents)
- Hiroshi Nishikawa (184 patents)
- Koichi Hayashi (107 patents)
- Hiroyuki Takada (24 patents)
- Yasutada Aoyama (5 patents)
- Yasuhiro Funahashi (18 patents)
- Osamu Nishimura (73 patents)
US Patent 5611693 · Granted Mar 18, 1997