Assignee
Inventors
- Yasuko Shibata (6 patents)
- Kazuhiro Akutsu (3 patents)
- Kiyotaka Awatsu (19 patents)
- Setsuo Tsukui (4 patents)
- Yoshiharu Hinata (1 patents)
- Kouichi Kanamoto (13 patents)
- Kazuo Takaku (16 patents)
- Takahiro Ohtani (1 patents)
US Patent 5880444 · Granted Mar 9, 1999