Assignee
Inventors
- Minoru Tokizawa (20 patents)
- Sunao Takeda (18 patents)
- Yasushi Kaneko (16 patents)
- Koji Kusano (2 patents)
- Hiromichi Eto (20 patents)
- Koichi Tachibana (6 patents)
- Susumu Sato (56 patents)
- Tadayoshi Taniyama (2 patents)
US Patent 6737434 · Granted May 18, 2004