Assignee
Inventors
- Hideo Takaishi (4 patents)
- Takeshi Katsuhira (4 patents)
- Hiroshi Yamaguchi (472 patents)
- Youichi Kawabata (1 patents)
- Hiroto Harayama (6 patents)
- Yoshiki Oda (1 patents)
- Masahiko Murai (1 patents)
US Patent 6444617 · Granted Sep 3, 2002