Assignee
Inventors
- Hiroshi Iwata (291 patents)
- Akihide Shibata (91 patents)
- Yoshifumi Yaoi (30 patents)
- Yasuaki Iwase (54 patents)
- Masaru Nawaki (45 patents)
- Yoshinao Morikawa (54 patents)
- Kenichi Tanaka (242 patents)
US Patent 7177188 · Granted Feb 13, 2007