Assignee
Inventors
- Seiichi Ukon (1 patents)
- Hisayoshi Furukohri (1 patents)
- Katsuyoshi Ishida (3 patents)
- Joichi Kusano (1 patents)
- Norio Morishita (2 patents)
- Osamu Takeda (30 patents)
- Akira Idesaki (3 patents)
US Patent 7977414 · Granted Jul 12, 2011