Assignee
Inventors
- Takahiro Yamamoto (230 patents)
- Masahiko Takami (3 patents)
- Hiroshi Seno (10 patents)
- Masami Yabuuchi (7 patents)
- Miyuki Hirase (1 patents)
- Yoshitsugu Yamada (10 patents)
- Masayoshi Katsube (7 patents)
US Patent 5709345 · Granted Jan 20, 1998