Assignee
Inventors
- Hiroyasu Fujii (52 patents)
- Yoshiyuki Ushigami (72 patents)
- Shuichi Nakamura (64 patents)
- Kenichi Murakami (86 patents)
- Norihiro Yamamoto (38 patents)
- Kiyoshi Sawano (7 patents)
- Shuichi Yamazaki (54 patents)
US Patent 6733599 · Granted May 11, 2004