Assignee
Inventors
- Isao Kidoguchi (103 patents)
- Yasuo Kitaoka (84 patents)
- Hiroyoshi Yajima (14 patents)
- Keiji Ito (58 patents)
- Akihiko Ishibashi (70 patents)
- Yoshiaki Hasegawa (65 patents)
- Kiminori Mizuuchi (134 patents)
US Patent 7407421 · Granted Aug 5, 2008