Assignee
Inventors
- Akemi Sanada (18 patents)
- Toshio Nakano (96 patents)
- Hidehiko Iwasaki (31 patents)
- Masahiko Sato (241 patents)
- Kenji Muraoka (55 patents)
- Kenichi Takamoto (67 patents)
- Masaaki Kobayashi (238 patents)
US Patent 7606984 · Granted Oct 20, 2009