Assignee
Inventors
- Tsutomu Minami (13 patents)
- Hiroyuki Nakazumi (4 patents)
- Yoshiaki Sakashita (1 patents)
- Kazuhisa Ishii (14 patents)
- Hidefumi Kanazawa (1 patents)
- Mikio Ueda (4 patents)
- Masayuki Funato (1 patents)
US Patent 6262187 · Granted Jul 17, 2001