Assignee
Inventors
- Takayuki Hida (1 patents)
- Tomoko Sekiya (3 patents)
- Toru Sawai (2 patents)
- Takashi Seiki (1 patents)
- Eiki Takahashi (4 patents)
- Michiko Kosasa (1 patents)
- Kokichi Harada (5 patents)
- Tohru Arai (1 patents)
US Patent 7638490 · Granted Dec 29, 2009