Assignee
Inventors
- Masaharu Satoh (44 patents)
- Norihide Ohyama (3 patents)
- Masato Shirakata (14 patents)
- Tomokazu Kumeuchi (10 patents)
- Hiroshi Yageta (27 patents)
- Ryuichi Shimizu (27 patents)
- Yutaka Bannai (14 patents)
US Patent 6558438 · Granted May 6, 2003