Assignee
Inventors
- Masaki Takahashi (299 patents)
- Hiroyuki Ichiyoshi (16 patents)
- Hiroaki Sasaki (81 patents)
- Yosuke Osawa (9 patents)
- Nobuyuki Imai (54 patents)
- Yasunori Senshiki (24 patents)
- Tatsuya Hisatomi (10 patents)
US Patent 6163668 · Granted Dec 19, 2000