Assignee
Inventors
- Nobuyuki Taniguchi (253 patents)
- Masaaki Nakai (143 patents)
- Takanobu Omaki (40 patents)
- Tokuji Ishida (150 patents)
- Hisayuki Masumoto (35 patents)
- Hisashi Tokumaru (35 patents)
- Tsuneyo Metabi (18 patents)
US Patent 6018631 · Granted Jan 25, 2000