Assignee
Inventors
- Akio Uchiyama (70 patents)
- Akihiro Horii (73 patents)
- Shuhei Iizuka (15 patents)
- Tadashi Hirata (64 patents)
- Mitsuhiro Hara (8 patents)
- Yoshiyuki Kumada (7 patents)
- Kazunari Tokuda (11 patents)
US Patent 7158234 · Granted Jan 2, 2007