Assignee
Inventors
- Yoshio Inui (3 patents)
- Masayoshi Osaka (2 patents)
- Mitsuo Tanaka (62 patents)
- Masao Miyamoto (10 patents)
- Tooru Hasegawa (6 patents)
- Masuo Kamitaka (4 patents)
- Hidekazu Kai (2 patents)
- Hiroshi Kamikubo (4 patents)
US Patent 5064255 · Granted Nov 12, 1991