Assignee
Inventors
- Makoto Ishida (59 patents)
- Koji Ishihata (3 patents)
- Koji Maeda (143 patents)
- Wataru Funakoshi (23 patents)
- Hiroaki Kaneko (64 patents)
- Yuichi Kageyama (31 patents)
- Katsushi Sasaki (34 patents)
US Patent 6410678 · Granted Jun 25, 2002