Assignee
Inventors
- Hiroyuki Yamashita (190 patents)
- Kazuhiko Togashi (5 patents)
- Akiyoshi Kai (14 patents)
- Junichi Mohri (8 patents)
- Haruki Mori (12 patents)
- Kohichi Kawai (1 patents)
- Akihiro Oyabe (1 patents)
- Takashi Sato (8 patents)
US Patent 6300368 · Granted Oct 9, 2001