Assignee
Inventors
- Takashi Tamura (177 patents)
- Masamitsu Nagahama (17 patents)
- Koichi Enuma (2 patents)
- Yoshihiro Wada (42 patents)
- Masayuki Kawasaki (15 patents)
- Kazuo Sakai (3 patents)
- Kazunori Suzuki (67 patents)
US Patent 5217313 · Granted Jun 8, 1993