Assignee
Inventors
- Minoru Harada (53 patents)
- Ryoichi Shinjo (12 patents)
- Manabu Tsujimura (57 patents)
- Rempei Nakata (38 patents)
- Kunihiro Miyazaki (40 patents)
- Naruhiko Kaji (12 patents)
- Yutaka Nakano (18 patents)
US Patent 5632868 · Granted May 27, 1997