Assignee
Inventors
- Takeo Hirono (2 patents)
- Noriki Ono (13 patents)
- Tatsumi Shimanari (6 patents)
- Takao Yorifuji (7 patents)
- Moriyuki Kouroku (14 patents)
- Yoshiharu Abe (46 patents)
- Hidefumi Kanai (3 patents)
- Mitsugu Oishi (3 patents)
US Patent 6032012 · Granted Feb 29, 2000