Assignee
Inventors
- Hiroshi Sugimura (38 patents)
- Koichi Toriyama (27 patents)
- Mikio Kakui (24 patents)
- Rikiya Matsuo (10 patents)
- Hisayuki Utsumi (25 patents)
- Masanori Matsumoto (84 patents)
- Masayuki Sakamoto (67 patents)
US Patent 6775497 · Granted Aug 10, 2004