Assignee
Inventors
- Akira Yabe (22 patents)
- Hiroyuki Niino (8 patents)
- Nobuhiro Kondo (57 patents)
- Hirokazu Ono (25 patents)
- Tomoaki Takahashi (112 patents)
- Yoshinaga Takahashi (2 patents)
- Toshio Matsumura (16 patents)
US Patent 5374291 · Granted Dec 20, 1994