Assignee
Inventors
- Yoshihiro Takashimizu (11 patents)
- Toshiaki Anzai (7 patents)
- Seigo Umeda (3 patents)
- Hiroyuki Maruyama (73 patents)
- Tadayoshi Nakata (3 patents)
- Toshiaki KUMAGAI (9 patents)
- Rika Nishiwaki (3 patents)
US Patent 6089563 · Granted Jul 18, 2000