Assignee
Inventors
- Shigeru Wakashiro (8 patents)
- Masato Hara (45 patents)
- Atsumi Kaneko (31 patents)
- Toshihiro Nakayama (35 patents)
- Atsushi Kida (28 patents)
- Masami Shirai (42 patents)
- Kiyoshi Yamamoto (71 patents)
US Patent 6717683 · Granted Apr 6, 2004