Assignee
Inventors
- Yasushi Hara (69 patents)
- Toshio Hironaka (8 patents)
- Noritaka Nagasaki (7 patents)
- Nobuyuki Kanai (1 patents)
- Nobumasa Suzuki (40 patents)
- Yukio Ito (127 patents)
- Takanori Miyake (12 patents)
US Patent 5248827 · Granted Sep 28, 1993