Assignee
Inventors
- Kenji Kitabatake (89 patents)
- Shozo Hattori (35 patents)
- Hajime Yamamoto (229 patents)
- Eiichiro Shimizu (97 patents)
- Hidehisa Matsumoto (14 patents)
- Jun Hinami (29 patents)
- Hiroki Hayashi (186 patents)
US Patent 6325500 · Granted Dec 4, 2001