Assignee
Inventors
- Shinichi Fukada (55 patents)
- Kazuo Nojiri (37 patents)
- Takashi Yunogami (25 patents)
- Shoji Hotta (15 patents)
- Hideo Aoki (114 patents)
- Takayuki Oshima (55 patents)
- Nobuyoshi Kobayashi (58 patents)
US Patent 6774020 · Granted Aug 10, 2004