Assignee
Inventors
- Takehisa Nakayama (16 patents)
- Akimine Hayashi (6 patents)
- Masataka Kondo (36 patents)
- Satoru Murakami (31 patents)
- Minori Yamaguchi (23 patents)
- Yoshihisa Tawada (54 patents)
- Masahiko Hosomi (1 patents)
US Patent 5066861 · Granted Nov 19, 1991