Assignee
Inventors
- Noboru Otake (12 patents)
- Kuniaki Tatsuta (17 patents)
- Shigeyuki Mizobuchi (1 patents)
- Nobuyasu Komeshima (2 patents)
- Shohachi Nakajima (9 patents)
- Hiroyuki Kawai (17 patents)
- Atsuo Odagawa (4 patents)
US Patent 4710564 · Granted Dec 1, 1987