Assignee
Inventors
- Tamiaki Matsuura (8 patents)
- Takeshi Aiba (10 patents)
- Takashi Fukushima (95 patents)
- Masanori Nishimura (7 patents)
- Hiroshi Ohtsuki (3 patents)
- Fujio Yabuki (5 patents)
- Tomio Kusakabe (5 patents)
US Patent 4531284 · Granted Jul 30, 1985