Assignee
Inventors
- Yutaka Taketani (23 patents)
- Kakusyo Yoshida (3 patents)
- Hidenori Kamigawa (12 patents)
- Yasuhiro Kishimoto (15 patents)
- Youichi Kojima (7 patents)
- Takeshi Takamatsu (20 patents)
- Hiroshi Yakui (2 patents)
US Patent 6036734 · Granted Mar 14, 2000