Assignee
Inventors
- Yasuhiro Akita (12 patents)
- Shunichi Hayashi (36 patents)
- Hiroshi Mizutani (46 patents)
- Norio Miwa (4 patents)
- Akio Yagi (6 patents)
- Takashi Nitta (1 patents)
- Tadao Takahashi (13 patents)
- Izumi Tanaka (1 patents)
US Patent 7380774 · Granted Jun 3, 2008