Assignee
Inventors
- Masataka Naito (37 patents)
- Yuji Takahashi (290 patents)
- Masakazu Hiroi (51 patents)
- Yoshinori Isobe (34 patents)
- Akimaro Yoshida (24 patents)
- Hitoshi Fujimoto (47 patents)
- Tomohito Nakagawa (37 patents)
US Patent 5819151 · Granted Oct 6, 1998