Assignee
Inventors
- Yoshio Uchikata (43 patents)
- Hisashi Ishikawa (220 patents)
- Hiroshi Tajika (201 patents)
- Miyuki Fujita (58 patents)
- Yuji Konno (99 patents)
- Norihiro Kawatoko (106 patents)
- Tetsuya Edamura (92 patents)
- Tetsuhiro Maeda (40 patents)
US Patent 6530642 · Granted Mar 11, 2003