Assignee
Inventors
- Kouichi Nakajima (9 patents)
- Shintaro Koike (1 patents)
- Yoshiaki Hamada (19 patents)
- Yukihiro Ichio (1 patents)
- Yasunori Murakami (26 patents)
- Unknown
- Masamune Tabata (16 patents)
- Takashi Shiraishi (205 patents)
US Patent 7147919 · Granted Dec 12, 2006