Assignee
Inventors
- Reiji Sano (9 patents)
- Yoshitomi Nagaoka (29 patents)
- Masashi Kanno (8 patents)
- Yoshiaki Kushiki (4 patents)
- Nobuhisa Ito (7 patents)
- Tsutomu Asabe (2 patents)
- Terumasa Yamamoto (3 patents)
- Masaaki Kobayashi (238 patents)
US Patent 6661798 · Granted Dec 9, 2003