Assignee
Inventors
- Yasunobu Antoku (3 patents)
- Kosuke Tsukamoto (14 patents)
- Fumihiko Koike (3 patents)
- Takashi Tokuyama (1 patents)
- Hirotoshi Hayasawa (14 patents)
- Mitsunori Takase (14 patents)
- Kyoichi Oshida (2 patents)
US Patent 6867234 · Granted Mar 15, 2005