Assignee
Inventors
- Hiroshi Yasuoka (11 patents)
- Yoshito Tsunoda (45 patents)
- Takeshi Maeda (228 patents)
- Yoshihisa Kamo (46 patents)
- Hiromichi Fujisawa (54 patents)
- Zenji Tsutsumi (4 patents)
- Shunichi Torii (42 patents)
US Patent 5574881 · Granted Nov 12, 1996