Assignee
Inventors
- Hiroyuki Sakamoto (150 patents)
- Kenshiro Tobinaga (14 patents)
- Yasuyuki Tsuchiya (17 patents)
- Hisaichi Muramoto (24 patents)
- Yusuke Ninomiya (16 patents)
- Keizou Ishii (37 patents)
- Shinichi Ishikura (46 patents)
US Patent 5705559 · Granted Jan 6, 1998