Assignee
Inventors
- Masaaki Wakita (5 patents)
- Takashi Tomoda (5 patents)
- Masato Yamaguchi (35 patents)
- Isao Joko (7 patents)
- Hiroshi Morita (236 patents)
- Tetsuro Yamamoto (215 patents)
- Yoshiaki Motozato (6 patents)
US Patent 5096593 · Granted Mar 17, 1992