Assignee
Inventors
- Katsuhide Koga (31 patents)
- Shigeo Hata (19 patents)
- Yasuyuki Aiko (16 patents)
- Akihiko Sakai (42 patents)
- Takashi Nagaya (22 patents)
- Takashi Birumachi (12 patents)
- Shingo Kitamura (31 patents)
US Patent 7663659 · Granted Feb 16, 2010