Assignee
Inventors
- Takeyoshi Nishio (42 patents)
- Takayuki Nagai (110 patents)
- Hisayuki Iwai (15 patents)
- Yukihito Zanka (16 patents)
- Izumi Ishii (3 patents)
- Hiroki Satoh (13 patents)
- Yoshihiro Sobajima (15 patents)
- Mitsuhiro Murayama (9 patents)
US Patent 6180709 · Granted Jan 30, 2001