Assignee
Inventors
- Minoru Morioka (21 patents)
- Yasuhiro Nakashima (39 patents)
- Takayuki Higuchi (27 patents)
- Mitsuo Takahashi (106 patents)
- Kenji Yamamoto (585 patents)
- Etuo Sakai (1 patents)
- Masaki Daimon (9 patents)
US Patent 7459020 · Granted Dec 2, 2008