Assignee
Inventors
- Shizuo Morita (65 patents)
- Toru Matsumoto (92 patents)
- Masayuki Kamegamori (4 patents)
- Kazushi Hayakawa (7 patents)
- Noboru Hatakeyama (7 patents)
- Shunji Matsuo (34 patents)
- Masakazu Fukuchi (108 patents)
US Patent 4954844 · Granted Sep 4, 1990