Assignee
Inventors
- Yasuyuki Fujisaki (2 patents)
- Minoru Takahashi (206 patents)
- Hiroshi Ogawara (8 patents)
- Hirozo Funaki (3 patents)
- Ryubun Seimaya (1 patents)
- Yutaka Yamada (141 patents)
- Makoto Tomono (34 patents)
- Noriyoshi Tarumi (53 patents)
US Patent 4486524 · Granted Dec 4, 1984