Assignee
Inventors
- Masahiro Niwa (16 patents)
- Yuji Sugano (1 patents)
- Ken-ichi Uenishi (1 patents)
- Hideto Kitada (1 patents)
- Yoshihisa Yamaguchi (20 patents)
- Eiko Kobayashi (22 patents)
- Kunimichi Kubo (16 patents)
- Akira Sano (96 patents)
US Patent 5543478 · Granted Aug 6, 1996