Assignee
Inventors
- Shigeyoshi Imakoshi (12 patents)
- Yutaka Soda (32 patents)
- Hiroyuki Uchida (227 patents)
- Junkichi Sugita (11 patents)
- Hiroshi Takino (15 patents)
- Tetsuo Sekiya (17 patents)
- Hideo Suyama (28 patents)
US Patent 4516179 · Granted May 7, 1985