Assignee
Inventors
- Noboru Oyama (25 patents)
- Tetsu Tatsuma (1 patents)
- Yoshihito Watanabe (1 patents)
- Osamu Hatozaki (1 patents)
- Kaoru Kitakizaki (18 patents)
- Masanori Haba (12 patents)
- Takayuki Noguchi (9 patents)
US Patent 6544478 · Granted Apr 8, 2003