Assignee
Inventors
- Yutaka Baba (10 patents)
- Toshinao Usui (17 patents)
- Takuji Kakigami (14 patents)
- Yoshiro Ozeki (3 patents)
- Katsura Tsukamoto (3 patents)
- Nobuyuki Asaeda (1 patents)
- Nobuyuki Itoh (54 patents)
US Patent 5502209 · Granted Mar 26, 1996