Assignee
Inventors
- Susumu Hasegawa (39 patents)
- Yukihiro Uematsu (5 patents)
- Tomoyoshi Yamada (31 patents)
- Takahisa Ueno (51 patents)
- Nobuyuki Suzuki (295 patents)
- Keiji Aruga (33 patents)
- Shuichi Hashimoto (39 patents)
US Patent 6128153 · Granted Oct 3, 2000