Assignee
Inventors
- Tamiaki Tatsuura (1 patents)
- Takeshi Aiba (10 patents)
- Takashi Fukushima (95 patents)
- Masanori Nishimura (7 patents)
- Hiroshi Otsuki (53 patents)
- Fujio Yabuki (5 patents)
- Tomio Kusakabe (5 patents)
US Patent 4473935 · Granted Oct 2, 1984