Assignee
Inventors
- Shuichi Yamazaki (54 patents)
- Hiroyasu Fujii (52 patents)
- Takeo Nagashima (9 patents)
- Yoshiyuki Ushigami (72 patents)
- Osamu Tanaka (167 patents)
- Katsurou Kuroki (1 patents)
- Hiroaki Masui (8 patents)
US Patent 5961744 · Granted Oct 5, 1999