Assignee
Inventors
- Yasushi Fukui (17 patents)
- Atsushi Ando (2 patents)
- Yoshikazu Morita (31 patents)
- Masanori Matsuno (14 patents)
- Minoru Saito (78 patents)
- Hideo Miyake (57 patents)
- Masahiko Souda (3 patents)
US Patent 5631090 · Granted May 20, 1997