Assignee
Inventors
- Yuuta Kumano (13 patents)
- Mitsutoshi Aritomi (23 patents)
- Kenji Takasaki (1 patents)
- Osamu Nishizawa (22 patents)
- Nobuhiro Shibuya (16 patents)
- Hisao Ochiai (6 patents)
- Kenji Nakajima (113 patents)
US Patent 5939181 · Granted Aug 17, 1999