Assignee
Inventors
- Kenichi Hamada (54 patents)
- Susumu Matsunaga (4 patents)
- Kazunori Watanabe (254 patents)
- Masaji Kato (7 patents)
- Jun Nagai (56 patents)
- Tatsufumi Watanabe (6 patents)
- Tatsuo Morotomi (2 patents)
- Hiroshi Oshima (46 patents)
US Patent 8119749 · Granted Feb 21, 2012