Assignee
Inventors
- Hiroaki Tsuchiya (65 patents)
- Keishi Ohsawa (6 patents)
- Yuji Sakemi (33 patents)
- Kenichiro Waki (17 patents)
- Nobuyuki Ito (66 patents)
- Takehiro Takano (6 patents)
- Yoshiro Tomikawa (17 patents)
US Patent 5270484 · Granted Dec 14, 1993