Assignee
Inventors
- Hisashi Ishikawa (220 patents)
- Hiroshi Tajika (201 patents)
- Yuji Konno (99 patents)
- Hiroo Inoue (18 patents)
- Norihiro Kawatoko (106 patents)
- Tetsuya Edamura (92 patents)
- Tetsuhiro Maeda (40 patents)
US Patent 6364446 · Granted Apr 2, 2002