Assignee
Inventors
- Tomoyuki Takahashi (126 patents)
- Kazuhiro Kimura (87 patents)
- Tadao Nishii (4 patents)
- Kenji Yazawa (22 patents)
- Kazutoshi Asada (5 patents)
- Hideo Tanaka (202 patents)
- Michiaki Takeshi (4 patents)
US Patent 6031693 · Granted Feb 29, 2000