Assignee
Inventors
- Akihiro Goto (122 patents)
- Hirochika Kawaguchi (2 patents)
- Yoshiharu Takahashi (74 patents)
- Takao Takahashi (79 patents)
- Takashi Arita (90 patents)
- Satoshi Ookyuu (4 patents)
- Hirokazu Taki (7 patents)
US Patent 6245599 · Granted Jun 12, 2001