Assignee
No assignee recorded.
Inventors
- Katsuichi Shimizu (64 patents)
- Tadashi Yoshida (105 patents)
- Shinobu Arimoto (62 patents)
- Katsuyoshi Maeshima (32 patents)
- Nao Nagashima (56 patents)
- Asao Watanabe (17 patents)
US Patent 6393164 · Granted May 21, 2002
No assignee recorded.