Assignee
Inventors
- Toshihide Ohmori (8 patents)
- Kazuhiko Kitamura (61 patents)
- Masuhiko Kawamura (2 patents)
- Atsushi Danno (6 patents)
- Tokuo Shirai (4 patents)
- Yukio Sugiura (3 patents)
- Mitsuru Nakane (1 patents)
US Patent 4900459 · Granted Feb 13, 1990