Assignee
Inventors
- Kazuyuki Hiramoto (19 patents)
- Naoshi Takayama (5 patents)
- Keigo Tada (4 patents)
- Takashi Hoshi (18 patents)
- Naozumi Tanikawa (2 patents)
- Tsuyoshi Fukuhara (11 patents)
- Kazutoyo Moriguchi (5 patents)
US Patent 6666748 · Granted Dec 23, 2003