Assignee
Inventors
- Junichi Nagata (36 patents)
- Kiyoshi Yamamoto (71 patents)
- Hirokazu Itakura (14 patents)
- Masahiro Kitagawa (29 patents)
- Hiroyuki Ban (62 patents)
- Hiroyuki Kawabata (27 patents)
- Shinichi Maeda (66 patents)
US Patent 6465996 · Granted Oct 15, 2002