Assignee
Inventors
- Takeo Ono (53 patents)
- Hisaaki Kawade (67 patents)
- Yoshinobu Sekiguchi (29 patents)
- Yasuhiro Hamamoto (29 patents)
- Keisuke Yamamoto (145 patents)
- Takeo Tsukamoto (179 patents)
- Masato Yamanobe (65 patents)
US Patent 6626719 · Granted Sep 30, 2003