Assignee
Inventors
- Tomofumi Otani (3 patents)
- Sachihiko Maeda (6 patents)
- Shuji Sasamoto (5 patents)
- Masaharu Tamaki (1 patents)
- Takero Nakagawa (5 patents)
- Yoshitaka Yoshimura (17 patents)
- Hiroshi Kobayashi (747 patents)
US Patent 5697206 · Granted Dec 16, 1997