Assignee
Inventors
- Masataka Yamashita (70 patents)
- Masahiro Terada (151 patents)
- Shosei Mori (55 patents)
- Syuji Yamada (31 patents)
- Hiroshi Mizuno (221 patents)
- Ikuo Nakazawa (58 patents)
- Koji Noguchi (291 patents)
US Patent 5709818 · Granted Jan 20, 1998