Assignee
Inventors
- Katsunori Takeda (11 patents)
- Shinsuke Otsuka (1 patents)
- Yoshiharu Takahashi (74 patents)
- Hiroo Katsura (3 patents)
- Kazuhiko Takata (6 patents)
- Shoichi Maeda (27 patents)
- Takafumi Nagato (1 patents)
US Patent 5467458 · Granted Nov 14, 1995