Assignee
Inventors
- Kazuo Takiguchi (7 patents)
- Masami Ochiai (33 patents)
- Tsutomu Udagawa (17 patents)
- Katsumi Ueno (14 patents)
- Takashi Yagyu (19 patents)
- Yukihiko Sugiyama (5 patents)
- Mitsuo Aihara (7 patents)
US Patent 7175155 · Granted Feb 13, 2007