Assignee
Inventors
- Kenichiro Ikeya (8 patents)
- Nobuhiko Sasaki (6 patents)
- Hiroshi Sono (20 patents)
- Yukihisa Yamaya (6 patents)
- Unknown
- Yoshimasa Kaneko (7 patents)
- Goichi Katayama (61 patents)
- Yutaka Tajima (15 patents)
US Patent 8714136 · Granted May 6, 2014