Assignee
Inventors
- Terunari Saiki (15 patents)
- Kenji Mutou (5 patents)
- Mamoru Otsubo (7 patents)
- Hideaki Yamazumi (32 patents)
- Toshiteru Yamamoto (9 patents)
- Kazuro Furukawa (6 patents)
- Toshinobu Fujii (8 patents)
US Patent 6217048 · Granted Apr 17, 2001