Assignee
Inventors
- Shigenori Hayashi (82 patents)
- Kazuki Komaki (25 patents)
- Takeshi Kamada (43 patents)
- Masatoshi Kitagawa (41 patents)
- Takashi Deguchi (21 patents)
- Ryoichi Takayama (53 patents)
- Takashi Hirao (68 patents)
US Patent 5672252 · Granted Sep 30, 1997