Assignee
Inventors
- Takao Yamazaki (51 patents)
- Hirobumi Inoue (13 patents)
- Ichiro Hazeyama (14 patents)
- Sakae Kitajo (29 patents)
- Masahiro Kubo (114 patents)
- Yoshimichi Sogawa (7 patents)
- Hidehiko Kuroda (33 patents)
US Patent 6998704 · Granted Feb 14, 2006