Assignee
Inventors
- Tsunehisa Namiki (11 patents)
- Toshihide Ieki (5 patents)
- Hideo Kurashima (35 patents)
- Hajime Inagaki (30 patents)
- Akira Kobayashi (163 patents)
- Koji Yamada (187 patents)
- Miwako Tanikawa (1 patents)
US Patent 6818310 · Granted Nov 16, 2004