Assignee
Inventors
- Yasumi Sago (15 patents)
- Kazuaki Kaneko (26 patents)
- Takuji Okada (7 patents)
- Masayoshi Ikeda (30 patents)
- Toshihiro Tachikawa (13 patents)
- Tadashi Inokuchi (3 patents)
- Takashi Kayamoto (8 patents)
US Patent 7220319 · Granted May 22, 2007