Assignee
Inventors
- Takashi Nagasaka (39 patents)
- Yuji Motoyama (8 patents)
- Yasunobu Hirao (7 patents)
- Makoto Koyama (8 patents)
- Mamoru Urushizaki (12 patents)
- Hidekazu Katsuyama (6 patents)
- Yukihiro Maeda (24 patents)
US Patent 5408383 · Granted Apr 18, 1995