Assignee
Inventors
- Yoichi Tsuchiya (58 patents)
- Seiji Kajiyama (29 patents)
- Yasuyuki Kanou (16 patents)
- Shuichi Ichiura (31 patents)
- Koichi Tada (17 patents)
- Masami Shimizu (75 patents)
- Toshio Harada (46 patents)
US Patent 6201777 · Granted Mar 13, 2001