Assignee
Inventors
- Masayuki Ikegami (56 patents)
- Koichi Sato (462 patents)
- Ikuo Nakazawa (58 patents)
- Sakae Suda (59 patents)
- Keiichiro Tsubaki (25 patents)
- Ryuji Higashi (42 patents)
- Keiko Yamagishi (17 patents)
US Patent 7598332 · Granted Oct 6, 2009