Assignee
Inventors
- Masaki Koga (11 patents)
- Nobutaka Suzuki (42 patents)
- Hitoshi Saitoh (19 patents)
- Kenshiro Oyamada (1 patents)
- Koki Tokuhara (9 patents)
- Shuji Mino (12 patents)
- Naoyuki Ishigaki (14 patents)
- Hitoshi Yamamoto (236 patents)
US Patent 6331214 · Granted Dec 18, 2001