Assignee
Inventors
- Takuji Torii (17 patents)
- Nobuhiro Noto (12 patents)
- Keiji Watanabe (117 patents)
- Yoshitaka Akiyama (25 patents)
- Kenichi Kugai (15 patents)
- Nobuhiro Kurosawa (5 patents)
- Shigenori Suematsu (15 patents)
- Yasuo Takano (15 patents)
US Patent 6457222 · Granted Oct 1, 2002