Assignee
Inventors
- Hitoshi Iwasaki (243 patents)
- Yuichi Ohsawa (107 patents)
- Reiko Kondoh (24 patents)
- Susumu Hashimoto (156 patents)
- Atsuhito Sawabe (34 patents)
- Yuzo Kamiguchi (70 patents)
- Masashi Sahashi (124 patents)
- Hiromi Fuke (42 patents)
US Patent 6159593 · Granted Dec 12, 2000