Assignee
Inventors
- Isao Nakazawa (38 patents)
- Yoshiaki Kobayashi (106 patents)
- Ryoichi Shimada (3 patents)
- Toshikazu Youkai (2 patents)
- Tatsuaki Hamai (2 patents)
- Kaoru Murakami (14 patents)
- Hiroyo Ogawa (15 patents)
US Patent 7177599 · Granted Feb 13, 2007