Assignee
Inventors
- Akira Kawahara (18 patents)
- Yuji Shinagawa (5 patents)
- Shin'ichi Iwano (7 patents)
- Kazunori Kanayama (13 patents)
- Yasuhiro Ando (30 patents)
- Toshiaki Nakano (22 patents)
- Hiromasa Okamura (5 patents)
US Patent 5563978 · Granted Oct 8, 1996