Assignee
Inventors
- Toshio Tanahashi (113 patents)
- Norihiko Nakamura (117 patents)
- Michiaki Ujihashi (7 patents)
- Hiroshi Noguchi (60 patents)
- Toshio Ito (94 patents)
- Toyokazu Baika (34 patents)
- Katsuhiko Hirose (30 patents)
- Kingo Horii (11 patents)
US Patent 4781154 · Granted Nov 1, 1988