Assignee
Inventors
- Naoto Sen (35 patents)
- Tadayoshi Okada (16 patents)
- Akira Sugiyama (148 patents)
- Kenichi Nishida (56 patents)
- Yasuhiko Tomokuni (7 patents)
- Mahito Ishiyama (8 patents)
- Kazuo Yamashita (35 patents)
US Patent 7308962 · Granted Dec 18, 2007