Assignee
Inventors
- Eiji Arita (14 patents)
- Hiroyuki Nakayama (172 patents)
- Yoshiki Mizutani (10 patents)
- Masahiko Nakamura (121 patents)
- Tomohiro Ushio (2 patents)
- Shigehiro Tamaki (1 patents)
- Toshiya Adachi (4 patents)
US Patent 5583575 · Granted Dec 10, 1996