Assignee
Inventors
- Shigeo Ootsuki (4 patents)
- Shigeo Moriyama (43 patents)
- Takashi Kugaya (4 patents)
- Kenichi Togawa (1 patents)
- Makoto Kajiwara (35 patents)
- Shyuichi Oowada (1 patents)
- Yukio Suzuki (86 patents)
- Yoko Sugawa (1 patents)
US Patent 6336842 · Granted Jan 8, 2002