Assignee
Inventors
- Tomoaki Serizawa (6 patents)
- Kimiaki Ishikawa (2 patents)
- Tadayuki Okuda (6 patents)
- Masayasu Ito (152 patents)
- Taketoshi Fujigaya (2 patents)
- Michio Arai (137 patents)
- Hitoshi Takeda (185 patents)
US Patent 6844681 · Granted Jan 18, 2005