Assignee
Inventors
- Mamoru Iwasaki (4 patents)
- Ryuichi Kanai (4 patents)
- Kazushige Kawamura (27 patents)
- Hideki Sugiyama (32 patents)
- Osamu Togari (5 patents)
- Sachio Asaoka (33 patents)
- Minoru Uchida (55 patents)
- Dai Takeda (10 patents)
US Patent 6323385 · Granted Nov 27, 2001