Assignee
Inventors
- Haruo Sakaguchi (16 patents)
- Teruyoshi Suehiro (3 patents)
- Kohsuke Terada (2 patents)
- Minoru Ueda (93 patents)
- Kunio Nagai (14 patents)
- Toshie Hashimoto (7 patents)
- Hisaki Nishiyama (3 patents)
- Masakazu Mohri (3 patents)
US Patent 4703791 · Granted Nov 3, 1987