Assignee
Inventors
- Kazunobu Sekiguchi (4 patents)
- Hiroshi Nakashima (112 patents)
- Atsushi Edayoshi (5 patents)
- Tatsuo Sone (4 patents)
- Manabu Asahina (4 patents)
- Ryo Oya (15 patents)
- Takashi Ikeda (316 patents)
US Patent 6370907 · Granted Apr 16, 2002