Assignee
Inventors
- Shuichi Kanno (19 patents)
- Toshiaki Arato (10 patents)
- Shinzo Ikeda (8 patents)
- Ken Yasuda (17 patents)
- Hisao Yamashita (43 patents)
- Shigeru Azuhata (41 patents)
- Shin Tamata (38 patents)
- Kazuyoshi Irie (11 patents)
US Patent 7347980 · Granted Mar 25, 2008