Assignee
Inventors
- Kazunori Kanda (49 patents)
- Koichi Ueda (52 patents)
- Tadahiro Kakiuchi (3 patents)
- Hisaichi Muramoto (24 patents)
- Hozumi Sato (21 patents)
- Katsuo Koshimura (7 patents)
- Takashi Nishioka (25 patents)
US Patent 5731128 · Granted Mar 24, 1998