Assignee
Inventors
- Kenta Udagawa (65 patents)
- Shozo Hattori (35 patents)
- Hajime Yamamoto (229 patents)
- Eiichiro Shimizu (97 patents)
- Jun Hinami (29 patents)
- Shuzo Iwanaga (84 patents)
- Chiyoshi Inoue (1 patents)
US Patent 6758557 · Granted Jul 6, 2004