Assignee
Inventors
- Takamitsu Tsuchimoto (6 patents)
- Saburo Kaneda (5 patents)
- Tatsushi Miyazawa (1 patents)
- Toshio Shimada (40 patents)
- Hideo Suzuki (319 patents)
- Mitsuru Sanagai (1 patents)
- Kaoru Hiraoka (1 patents)
US Patent 4414620 · Granted Nov 8, 1983