Assignee
Inventors
- Keiji Nomura (7 patents)
- Katsutoshi Nishimura (4 patents)
- Kazunori Okamoto (6 patents)
- Tomoharu Horiuchi (2 patents)
- Masayuki Watanabe (143 patents)
- Hirohisa Nakao (3 patents)
- Masahiko Noguchi (13 patents)
US Patent 5190119 · Granted Mar 2, 1993