Assignee
Inventors
- Yoshio Hayase (15 patents)
- Takahiro Kataoka (8 patents)
- Hideyuki Takenaka (18 patents)
- Mitsuhiro Ichinari (7 patents)
- Michio Masuko (16 patents)
- Toshio Takahashi (27 patents)
- Norihiko Tanimoto (13 patents)
US Patent 5371223 · Granted Dec 6, 1994