Assignee
Inventors
- Kenji Fujiwara (69 patents)
- Tsuneyuki Ohkubo (7 patents)
- Terunori Fujita (56 patents)
- Shinobu Aoki (14 patents)
- Masayasu Ishibashi (20 patents)
- Masao Imai (116 patents)
- Kozo Yasuda (2 patents)
US Patent 8546633 · Granted Oct 1, 2013