Assignee
Inventors
- Noboru Baba (25 patents)
- Katsuhiko Komuro (13 patents)
- Masateru Suwa (17 patents)
- Mitsuo Chigasaki (13 patents)
- Yozo Kumagai (2 patents)
- Mashayoshi Kainuma (1 patents)
- Masaru Sakakura (1 patents)
US Patent 5296057 · Granted Mar 22, 1994